🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 77 (from laksa182)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa077.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://medium.com/@deep.space/what-is-quantum-superposition-00b12d089c63\')), getAhrefsUnparsedNoserviceFromURL(\'https://medium.com/@deep.space/what-is-quantum-superposition-00b12d089c63\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/medium.com\/@deep.space\/what-is-quantum-superposition-00b12d089c63","crawl_time":1772289037,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,medium!\/@deep.space\/what-is-quantum-superposition-00b12d089c63 s443","src_root_hash":"13179037029838926277","history_drop_reason":null,"meta_title":"What is quantum superposition?. Quantum superposition is a term… | by Space | Medium","meta_descriptions":["What is quantum superposition? Quantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can …"],"attrs_boilerpipe_text":"3 min read\nApr 22, 2024\n--\nQuantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it.\nPress enter or click to view image in full size\nThis effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones.\nInterference pattern\nInterference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions.","attrs_markdown":"[Sitemap](https:\/\/medium.com\/sitemap\/sitemap.xml)\n\n[Open in app](https:\/\/play.google.com\/store\/apps\/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=post_page---top_nav_layout_nav-----------------------------------------)\n\nSign up\n\n[Sign in](https:\/\/medium.com\/m\/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40deep.space%2Fwhat-is-quantum-superposition-00b12d089c63&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)\n\n[Medium Logo](https:\/\/medium.com\/?source=post_page---top_nav_layout_nav-----------------------------------------)\n\nGet app\n\n[Write](https:\/\/medium.com\/m\/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)\n\n[Search](https:\/\/medium.com\/search?source=post_page---top_nav_layout_nav-----------------------------------------)\n\nSign up\n\n[Sign in](https:\/\/medium.com\/m\/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40deep.space%2Fwhat-is-quantum-superposition-00b12d089c63&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)\n\n![](https:\/\/miro.medium.com\/v2\/resize:fill:64:64\/1*dmbNkD5D-u45r44go_cf0g.png)\n\nMember-only story\n\n# What is quantum superposition?\n[![Space](https:\/\/miro.medium.com\/v2\/resize:fill:64:64\/1*AXyJrehBUOfDmbkYhkhTJg.png)](https:\/\/medium.com\/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------)\n\n[Space](https:\/\/medium.com\/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------)\n\n3 min read\n\n·\n\nApr 22, 2024\n\n\\--\n\nShare\n\nQuantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it.\n\nPress enter or click to view image in full size\n\n![]()\n\nThis effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones.\n\n![]()\n\nInterference pattern\n\nInterference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions.\n\n\\--\n\n\\--\n\n[![Space](https:\/\/miro.medium.com\/v2\/resize:fill:96:96\/1*AXyJrehBUOfDmbkYhkhTJg.png)](https:\/\/medium.com\/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------)\n\n[![Space](https:\/\/miro.medium.com\/v2\/resize:fill:128:128\/1*AXyJrehBUOfDmbkYhkhTJg.png)](https:\/\/medium.com\/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------)\n\n[Written by Space](https:\/\/medium.com\/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------)\n\n[2\\.1K followers](https:\/\/medium.com\/@deep.space\/followers?source=post_page---post_author_info--00b12d089c63---------------------------------------)\n\n·[87 following](https:\/\/medium.com\/@deep.space\/following?source=post_page---post_author_info--00b12d089c63---------------------------------------)\n\nWe're a team of astrophysicists from Ukraine. For many years we've been working on a similar platform in our native language. But the war changed everything.\n## No responses yet\n[Help](https:\/\/help.medium.com\/hc\/en-us?source=post_page-----00b12d089c63---------------------------------------)\n\n[Status](https:\/\/status.medium.com\/?source=post_page-----00b12d089c63---------------------------------------)\n\n[About](https:\/\/medium.com\/about?autoplay=1&source=post_page-----00b12d089c63---------------------------------------)\n\n[Careers](https:\/\/medium.com\/jobs-at-medium\/work-at-medium-959d1a85284e?source=post_page-----00b12d089c63---------------------------------------)\n\n[Press](mailto:pressinquiries@medium.com)\n\n[Blog](https:\/\/blog.medium.com\/?source=post_page-----00b12d089c63---------------------------------------)\n\n[Privacy](https:\/\/policy.medium.com\/medium-privacy-policy-f03bf92035c9?source=post_page-----00b12d089c63---------------------------------------)\n\n[Rules](https:\/\/policy.medium.com\/medium-rules-30e5502c4eb4?source=post_page-----00b12d089c63---------------------------------------)\n\n[Terms](https:\/\/policy.medium.com\/medium-terms-of-service-9db0094a1e0f?source=post_page-----00b12d089c63---------------------------------------)\n\n[Text to speech](https:\/\/speechify.com\/medium?source=post_page-----00b12d089c63---------------------------------------)","attrs_readable_markdown":"[![Space](https:\/\/miro.medium.com\/v2\/resize:fill:64:64\/1*AXyJrehBUOfDmbkYhkhTJg.png)](https:\/\/medium.com\/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------)\n\n3 min read Apr 22, 2024\n\n\\--\n\nQuantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it.\n\nPress enter or click to view image in full size\n\nThis effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones.\n\nInterference pattern\n\nInterference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions.","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

1 month ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.3 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://medium.com/@deep.space/what-is-quantum-superposition-00b12d089c63
Last Crawled	2026-02-28 14:30:37 (1 month ago)
First Indexed	not set
HTTP Status Code	200
Meta Title	What is quantum superposition?. Quantum superposition is a term… \| by Space \| Medium
Meta Description	What is quantum superposition? Quantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can …
Meta Canonical	null
Boilerpipe Text	3 min read Apr 22, 2024 -- Quantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it. Press enter or click to view image in full size This effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones. Interference pattern Interference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions.
Markdown	[Sitemap](https://medium.com/sitemap/sitemap.xml) [Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=post_page---top_nav_layout_nav-----------------------------------------) Sign up [Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40deep.space%2Fwhat-is-quantum-superposition-00b12d089c63&source=post_page---top_nav_layout_nav-----------------------global_nav------------------) [Medium Logo](https://medium.com/?source=post_page---top_nav_layout_nav-----------------------------------------) Get app [Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------) [Search](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------) Sign up [Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40deep.space%2Fwhat-is-quantum-superposition-00b12d089c63&source=post_page---top_nav_layout_nav-----------------------global_nav------------------) ![](https://miro.medium.com/v2/resize:fill:64:64/1dmbNkD5D-u45r44go_cf0g.png) Member-only story # What is quantum superposition? [![Space](https://miro.medium.com/v2/resize:fill:64:64/1AXyJrehBUOfDmbkYhkhTJg.png)](https://medium.com/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------) [Space](https://medium.com/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------) 3 min read · Apr 22, 2024 \-- Share Quantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it. Press enter or click to view image in full size ![]() This effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones. ![]() Interference pattern Interference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions. \-- \-- [![Space](https://miro.medium.com/v2/resize:fill:96:96/1AXyJrehBUOfDmbkYhkhTJg.png)](https://medium.com/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------) [![Space](https://miro.medium.com/v2/resize:fill:128:128/1AXyJrehBUOfDmbkYhkhTJg.png)](https://medium.com/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------) [Written by Space](https://medium.com/@deep.space?source=post_page---post_author_info--00b12d089c63---------------------------------------) [2\.1K followers](https://medium.com/@deep.space/followers?source=post_page---post_author_info--00b12d089c63---------------------------------------) ·[87 following](https://medium.com/@deep.space/following?source=post_page---post_author_info--00b12d089c63---------------------------------------) We're a team of astrophysicists from Ukraine. For many years we've been working on a similar platform in our native language. But the war changed everything. ## No responses yet [Help](https://help.medium.com/hc/en-us?source=post_page-----00b12d089c63---------------------------------------) [Status](https://status.medium.com/?source=post_page-----00b12d089c63---------------------------------------) [About](https://medium.com/about?autoplay=1&source=post_page-----00b12d089c63---------------------------------------) [Careers](https://medium.com/jobs-at-medium/work-at-medium-959d1a85284e?source=post_page-----00b12d089c63---------------------------------------) [Press](mailto:pressinquiries@medium.com) [Blog](https://blog.medium.com/?source=post_page-----00b12d089c63---------------------------------------) [Privacy](https://policy.medium.com/medium-privacy-policy-f03bf92035c9?source=post_page-----00b12d089c63---------------------------------------) [Rules](https://policy.medium.com/medium-rules-30e5502c4eb4?source=post_page-----00b12d089c63---------------------------------------) [Terms](https://policy.medium.com/medium-terms-of-service-9db0094a1e0f?source=post_page-----00b12d089c63---------------------------------------) [Text to speech](https://speechify.com/medium?source=post_page-----00b12d089c63---------------------------------------)
Readable Markdown	[![Space](https://miro.medium.com/v2/resize:fill:64:64/1*AXyJrehBUOfDmbkYhkhTJg.png)](https://medium.com/@deep.space?source=post_page---byline--00b12d089c63---------------------------------------) 3 min read Apr 22, 2024 \-- Quantum superposition is a term well-known to those who have tried to acquaint themselves with the basic concepts of quantum mechanics. It tells us that an object can simultaneously exist in multiple quantum states until we begin to observe it. Press enter or click to view image in full size This effect is clearly demonstrated in the double-slit experiment. When we have a light source, a barrier with two parallel slits, and a projection screen, illuminating the screen through the barrier will produce an interference pattern (either an intensification or weakening of brightness when waves of light with the same frequency overlap), appearing on the screen as vertical bright bands intersecting with dark ones. Interference pattern Interference is characteristic of waves, meaning light is a wave. However, if we were to emit light in portions and, for example, place a detector to determine through which slit the light passes, the interference pattern would disappear. We would see two bright bands, as if small particles had passed through the slits and projected the images of the slits onto the screen. Therefore, scientists believe that light is simultaneously both a wave and a particle and behaves differently depending on the conditions.
Shard	77 (laksa)
Root Hash	13179037029838926277
Unparsed URL	com,medium!/@deep.space/what-is-quantum-superposition-00b12d089c63 s443