🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 66 (from laksa182)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa066.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://astronomy.swin.edu.au/cosmos/*/Baryons\')), getAhrefsUnparsedNoserviceFromURL(\'https://astronomy.swin.edu.au/cosmos/*/Baryons\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/astronomy.swin.edu.au\/cosmos\/*\/Baryons","crawl_time":1775632559,"first_indexed_time":1755115049,"http_code":200,"src_unparsed":"au,edu,swin!astronomy,\/cosmos\/*\/Baryons s443","src_root_hash":"7627440683176764866","history_drop_reason":null,"meta_title":"Baryons | COSMOS","meta_descriptions":[],"attrs_boilerpipe_text":"The constituents of the\nUniverse\nare classified according to the principles of the standard model of elementary particles. This model identifies\nbaryons\nas matter composed of triplets of fundamental particles called\nquarks\n.\nThe standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical  notion of spin. These particles play fundamentally different roles in nature, and can  only have values of spin that are integers (0, 1, 2,…) or half-integers  (1\/2, 3\/2, 5\/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin  fermions make up the matter on which these force act.\nBaryons are particles (hadrons) composed of 3 quarks.\nFermions are classified into two families:\nQuarks which experience the strong force.  This causes quarks to never occur as solitary particles in nature.  They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these\nquark\nbundles are referred to as hadrons.\nLeptons which do not experience the strong force.\nBaryons contain 3 quarks. There are many  different baryons observed in particle accelerators (e.g. Λ\n0\n, Σ\n+\n, Σ\n–\n, Σ\n0\n, Δ\n+\n, Δ\n–\n, Δ\n0\n, ….),  simply because there are  many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks).  The vast majority of these extremely massive particles are highly unstable,  decaying as a shower of smaller particles in as little as 10\n-23\nseconds.  In nature, there are only 2 common baryons –\nprotons\nand neutrons – and together they dominate the\nmass\nof normal matter in the Universe.\nSee also:\nbaryonic matter\n.","attrs_markdown":"[![Cosmos](https:\/\/astronomy.swin.edu.au\/cms\/drupal7\/sites\/all\/themes\/cosmos\/images\/cosmos-header-logo.png)](https:\/\/astronomy.swin.edu.au\/cosmos)\n\n- [Swinburne](http:\/\/www.swin.edu.au\/ \"Swinburne\")\n- [Centre for Astrophysics and Supercomputing](http:\/\/astronomy.swin.edu.au\/ \"Centre for Astrophysics and Supercomputing\")\n- [Swinburne Astronomy Online](http:\/\/astronomy.swin.edu.au\/sao \"Swinburne Astronomy Online\")\n\n**Search**\n\n**Index**\n\n|   |   |   |   |   |\n|---|---|---|---|---|\n| [A](https:\/\/astronomy.swin.edu.au\/cosmos\/A) | [B](https:\/\/astronomy.swin.edu.au\/cosmos\/B) | [C](https:\/\/astronomy.swin.edu.au\/cosmos\/C) | [D](https:\/\/astronomy.swin.edu.au\/cosmos\/D) | [E](https:\/\/astronomy.swin.edu.au\/cosmos\/E) |\n| [F](https:\/\/astronomy.swin.edu.au\/cosmos\/F) | [G](https:\/\/astronomy.swin.edu.au\/cosmos\/G) | [H](https:\/\/astronomy.swin.edu.au\/cosmos\/H) | [I](https:\/\/astronomy.swin.edu.au\/cosmos\/I) | [J](https:\/\/astronomy.swin.edu.au\/cosmos\/J) |\n| [K](https:\/\/astronomy.swin.edu.au\/cosmos\/K) | [L](https:\/\/astronomy.swin.edu.au\/cosmos\/L) | [M](https:\/\/astronomy.swin.edu.au\/cosmos\/M) | [N](https:\/\/astronomy.swin.edu.au\/cosmos\/N) | [O](https:\/\/astronomy.swin.edu.au\/cosmos\/O) |\n| [P](https:\/\/astronomy.swin.edu.au\/cosmos\/P) | [Q](https:\/\/astronomy.swin.edu.au\/cosmos\/Q) | [R](https:\/\/astronomy.swin.edu.au\/cosmos\/R) | [S](https:\/\/astronomy.swin.edu.au\/cosmos\/S) | [T](https:\/\/astronomy.swin.edu.au\/cosmos\/T) |\n| [U](https:\/\/astronomy.swin.edu.au\/cosmos\/U) | [V](https:\/\/astronomy.swin.edu.au\/cosmos\/V) | [W](https:\/\/astronomy.swin.edu.au\/cosmos\/W) | [X](https:\/\/astronomy.swin.edu.au\/cosmos\/X) | [Y](https:\/\/astronomy.swin.edu.au\/cosmos\/Y) |\n| [Z](https:\/\/astronomy.swin.edu.au\/cosmos\/Z) | [All](https:\/\/astronomy.swin.edu.au\/cosmos\/*) |   |   |   |\n\n[![](https:\/\/astronomy.swin.edu.au\/sao\/prospective\/images\/advert256.gif)](http:\/\/astronomy.swin.edu.au\/sao\/prospective\/Discover_the_Universe.xml)\n\n[COSMOS - The SAO Encyclopedia of Astronomy](https:\/\/astronomy.swin.edu.au\/cosmos) › [B](https:\/\/astronomy.swin.edu.au\/cosmos\/B)\n\n## Baryons\n##\nThe constituents of the [Universe](https:\/\/astronomy.swin.edu.au\/cosmos\/U\/Universe) are classified according to the principles of the standard model of elementary particles. This model identifies [baryons](https:\/\/astronomy.swin.edu.au\/cosmos\/B\/Baryons) as matter composed of triplets of fundamental particles called [quarks](https:\/\/astronomy.swin.edu.au\/cosmos\/Q\/Quark).  \n The standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical notion of spin. These particles play fundamentally different roles in nature, and can only have values of spin that are integers (0, 1, 2,…) or half-integers (1\/2, 3\/2, 5\/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin fermions make up the matter on which these force act.\n\n![baryons1.jpg](https:\/\/astronomy.swin.edu.au\/cms\/cpg15x\/albums\/userpics\/baryons1.jpg)\n\nBaryons are particles (hadrons) composed of 3 quarks.\n\nFermions are classified into two families:\n\n- Quarks which experience the strong force. This causes quarks to never occur as solitary particles in nature. They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these [quark](https:\/\/astronomy.swin.edu.au\/cosmos\/Q\/Quark) bundles are referred to as hadrons.\n- Leptons which do not experience the strong force.\n\nBaryons contain 3 quarks. There are many different baryons observed in particle accelerators (e.g. Λ0, Σ\\+, Σ–, Σ0, Δ\\+, Δ–, Δ0, ….), simply because there are many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks). The vast majority of these extremely massive particles are highly unstable, decaying as a shower of smaller particles in as little as 10\\-23 seconds. In nature, there are only 2 common baryons – [protons](https:\/\/astronomy.swin.edu.au\/cosmos\/P\/Proton) and neutrons – and together they dominate the [mass](https:\/\/astronomy.swin.edu.au\/cosmos\/M\/Mass) of normal matter in the Universe.\n\nSee also: [baryonic matter](https:\/\/astronomy.swin.edu.au\/cosmos\/B\/Baryonic+Matter).\n\n[Study Astronomy Online at Swinburne University](http:\/\/astronomy.swin.edu.au\/sao)  \n All material is © Swinburne University of Technology except where indicated.","attrs_readable_markdown":"The constituents of the [Universe](https:\/\/astronomy.swin.edu.au\/cosmos\/U\/Universe) are classified according to the principles of the standard model of elementary particles. This model identifies [baryons](https:\/\/astronomy.swin.edu.au\/cosmos\/B\/Baryons) as matter composed of triplets of fundamental particles called [quarks](https:\/\/astronomy.swin.edu.au\/cosmos\/Q\/Quark).  \n The standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical notion of spin. These particles play fundamentally different roles in nature, and can only have values of spin that are integers (0, 1, 2,…) or half-integers (1\/2, 3\/2, 5\/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin fermions make up the matter on which these force act.\n\n![baryons1.jpg](https:\/\/astronomy.swin.edu.au\/cms\/cpg15x\/albums\/userpics\/baryons1.jpg)\n\nBaryons are particles (hadrons) composed of 3 quarks.\n\nFermions are classified into two families:\n\n- Quarks which experience the strong force. This causes quarks to never occur as solitary particles in nature. They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these [quark](https:\/\/astronomy.swin.edu.au\/cosmos\/Q\/Quark) bundles are referred to as hadrons.\n- Leptons which do not experience the strong force.\n\nBaryons contain 3 quarks. There are many different baryons observed in particle accelerators (e.g. Λ0, Σ\\+, Σ–, Σ0, Δ\\+, Δ–, Δ0, ….), simply because there are many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks). The vast majority of these extremely massive particles are highly unstable, decaying as a shower of smaller particles in as little as 10\\-23 seconds. In nature, there are only 2 common baryons – [protons](https:\/\/astronomy.swin.edu.au\/cosmos\/P\/Proton) and neutrons – and together they dominate the [mass](https:\/\/astronomy.swin.edu.au\/cosmos\/M\/Mass) of normal matter in the Universe.\n\nSee also: [baryonic matter](https:\/\/astronomy.swin.edu.au\/cosmos\/B\/Baryonic+Matter).","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

7 days 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`	0.3 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://astronomy.swin.edu.au/cosmos/*/Baryons
Last Crawled	2026-04-08 07:15:59 (7 days ago)
First Indexed	2025-08-13 19:57:29 (8 months ago)
HTTP Status Code	200
Meta Title	Baryons \| COSMOS
Meta Description	null
Meta Canonical	null
Boilerpipe Text	The constituents of the Universe are classified according to the principles of the standard model of elementary particles. This model identifies baryons as matter composed of triplets of fundamental particles called quarks . The standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical notion of spin. These particles play fundamentally different roles in nature, and can only have values of spin that are integers (0, 1, 2,…) or half-integers (1/2, 3/2, 5/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin fermions make up the matter on which these force act. Baryons are particles (hadrons) composed of 3 quarks. Fermions are classified into two families: Quarks which experience the strong force. This causes quarks to never occur as solitary particles in nature. They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these quark bundles are referred to as hadrons. Leptons which do not experience the strong force. Baryons contain 3 quarks. There are many different baryons observed in particle accelerators (e.g. Λ 0 , Σ + , Σ – , Σ 0 , Δ + , Δ – , Δ 0 , ….), simply because there are many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks). The vast majority of these extremely massive particles are highly unstable, decaying as a shower of smaller particles in as little as 10 -23 seconds. In nature, there are only 2 common baryons – protons and neutrons – and together they dominate the mass of normal matter in the Universe. See also: baryonic matter .
Markdown	[![Cosmos](https://astronomy.swin.edu.au/cms/drupal7/sites/all/themes/cosmos/images/cosmos-header-logo.png)](https://astronomy.swin.edu.au/cosmos) - [Swinburne](http://www.swin.edu.au/ "Swinburne") - [Centre for Astrophysics and Supercomputing](http://astronomy.swin.edu.au/ "Centre for Astrophysics and Supercomputing") - [Swinburne Astronomy Online](http://astronomy.swin.edu.au/sao "Swinburne Astronomy Online") Search Index \| \| \| \| \| \| \|---\|---\|---\|---\|---\| \| [A](https://astronomy.swin.edu.au/cosmos/A) \| [B](https://astronomy.swin.edu.au/cosmos/B) \| [C](https://astronomy.swin.edu.au/cosmos/C) \| [D](https://astronomy.swin.edu.au/cosmos/D) \| [E](https://astronomy.swin.edu.au/cosmos/E) \| \| [F](https://astronomy.swin.edu.au/cosmos/F) \| [G](https://astronomy.swin.edu.au/cosmos/G) \| [H](https://astronomy.swin.edu.au/cosmos/H) \| [I](https://astronomy.swin.edu.au/cosmos/I) \| [J](https://astronomy.swin.edu.au/cosmos/J) \| \| [K](https://astronomy.swin.edu.au/cosmos/K) \| [L](https://astronomy.swin.edu.au/cosmos/L) \| [M](https://astronomy.swin.edu.au/cosmos/M) \| [N](https://astronomy.swin.edu.au/cosmos/N) \| [O](https://astronomy.swin.edu.au/cosmos/O) \| \| [P](https://astronomy.swin.edu.au/cosmos/P) \| [Q](https://astronomy.swin.edu.au/cosmos/Q) \| [R](https://astronomy.swin.edu.au/cosmos/R) \| [S](https://astronomy.swin.edu.au/cosmos/S) \| [T](https://astronomy.swin.edu.au/cosmos/T) \| \| [U](https://astronomy.swin.edu.au/cosmos/U) \| [V](https://astronomy.swin.edu.au/cosmos/V) \| [W](https://astronomy.swin.edu.au/cosmos/W) \| [X](https://astronomy.swin.edu.au/cosmos/X) \| [Y](https://astronomy.swin.edu.au/cosmos/Y) \| \| [Z](https://astronomy.swin.edu.au/cosmos/Z) \| [All](https://astronomy.swin.edu.au/cosmos/*) \| \| \| \| [![](https://astronomy.swin.edu.au/sao/prospective/images/advert256.gif)](http://astronomy.swin.edu.au/sao/prospective/Discover_the_Universe.xml) [COSMOS - The SAO Encyclopedia of Astronomy](https://astronomy.swin.edu.au/cosmos) › [B](https://astronomy.swin.edu.au/cosmos/B) ## Baryons ## The constituents of the [Universe](https://astronomy.swin.edu.au/cosmos/U/Universe) are classified according to the principles of the standard model of elementary particles. This model identifies [baryons](https://astronomy.swin.edu.au/cosmos/B/Baryons) as matter composed of triplets of fundamental particles called [quarks](https://astronomy.swin.edu.au/cosmos/Q/Quark). The standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical notion of spin. These particles play fundamentally different roles in nature, and can only have values of spin that are integers (0, 1, 2,…) or half-integers (1/2, 3/2, 5/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin fermions make up the matter on which these force act. ![baryons1.jpg](https://astronomy.swin.edu.au/cms/cpg15x/albums/userpics/baryons1.jpg) Baryons are particles (hadrons) composed of 3 quarks. Fermions are classified into two families: - Quarks which experience the strong force. This causes quarks to never occur as solitary particles in nature. They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these [quark](https://astronomy.swin.edu.au/cosmos/Q/Quark) bundles are referred to as hadrons. - Leptons which do not experience the strong force. Baryons contain 3 quarks. There are many different baryons observed in particle accelerators (e.g. Λ0, Σ\+, Σ–, Σ0, Δ\+, Δ–, Δ0, ….), simply because there are many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks). The vast majority of these extremely massive particles are highly unstable, decaying as a shower of smaller particles in as little as 10\-23 seconds. In nature, there are only 2 common baryons – [protons](https://astronomy.swin.edu.au/cosmos/P/Proton) and neutrons – and together they dominate the [mass](https://astronomy.swin.edu.au/cosmos/M/Mass) of normal matter in the Universe. See also: [baryonic matter](https://astronomy.swin.edu.au/cosmos/B/Baryonic+Matter). [Study Astronomy Online at Swinburne University](http://astronomy.swin.edu.au/sao) All material is © Swinburne University of Technology except where indicated.
Readable Markdown	The constituents of the [Universe](https://astronomy.swin.edu.au/cosmos/U/Universe) are classified according to the principles of the standard model of elementary particles. This model identifies [baryons](https://astronomy.swin.edu.au/cosmos/B/Baryons) as matter composed of triplets of fundamental particles called [quarks](https://astronomy.swin.edu.au/cosmos/Q/Quark). The standard model of particle physics recognises two types of elementary particle, differentiated by the quantum mechanical notion of spin. These particles play fundamentally different roles in nature, and can only have values of spin that are integers (0, 1, 2,…) or half-integers (1/2, 3/2, 5/2,…). Particles that carry the forces of nature are integer spin bosons, while half-integer spin fermions make up the matter on which these force act. ![baryons1.jpg](https://astronomy.swin.edu.au/cms/cpg15x/albums/userpics/baryons1.jpg) Baryons are particles (hadrons) composed of 3 quarks. Fermions are classified into two families: - Quarks which experience the strong force. This causes quarks to never occur as solitary particles in nature. They are always found in ‘bundles’ of 2 (mesons) or 3 (baryons). Collectively, these [quark](https://astronomy.swin.edu.au/cosmos/Q/Quark) bundles are referred to as hadrons. - Leptons which do not experience the strong force. Baryons contain 3 quarks. There are many different baryons observed in particle accelerators (e.g. Λ0, Σ\+, Σ–, Σ0, Δ\+, Δ–, Δ0, ….), simply because there are many ways to make allowable combinations of 3 from the 12 quarks available (including anti-quarks). The vast majority of these extremely massive particles are highly unstable, decaying as a shower of smaller particles in as little as 10\-23 seconds. In nature, there are only 2 common baryons – [protons](https://astronomy.swin.edu.au/cosmos/P/Proton) and neutrons – and together they dominate the [mass](https://astronomy.swin.edu.au/cosmos/M/Mass) of normal matter in the Universe. See also: [baryonic matter](https://astronomy.swin.edu.au/cosmos/B/Baryonic+Matter).
Shard	66 (laksa)
Root Hash	7627440683176764866
Unparsed URL	au,edu,swin!astronomy,/cosmos/*/Baryons s443