🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 107 (from laksa194)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa107.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://math.unm.edu/~motamed/UQ2018/kl.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://math.unm.edu/~motamed/UQ2018/kl.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/math.unm.edu\/~motamed\/UQ2018\/kl.html","crawl_time":1757906867,"first_indexed_time":1601045008,"http_code":200,"src_unparsed":"edu,unm!math,\/~motamed\/UQ2018\/kl.html s443","src_root_hash":"11157135661193513107","history_drop_reason":null,"meta_title":"Karhunen-Loeve expansion — Uncertainty Quantification, Uppsala University","meta_descriptions":[],"attrs_boilerpipe_text":"Karhunen-Loeve expansion — Uncertainty Quantification, Uppsala University","attrs_markdown":"[Uncertainty Quantification, Uppsala University](https:\/\/math.unm.edu\/~motamed\/UQ2018\/uq.html)\n\n[previous](https:\/\/math.unm.edu\/~motamed\/UQ2018\/probability.html \"Basics of Probability Theory\") \\| [next](https:\/\/math.unm.edu\/~motamed\/UQ2018\/sde.html \"Stochastic Differential Equations\") \\| [index](https:\/\/math.unm.edu\/~motamed\/UQ2018\/genindex.html \"General Index\")\n\n# Karhunen-Loeve expansion[¶](https:\/\/math.unm.edu\/~motamed\/UQ2018\/kl.html#karhunen-loeve-expansion \"Permalink to this headline\")\n## Week 2b[¶](https:\/\/math.unm.edu\/~motamed\/UQ2018\/kl.html#week-2b \"Permalink to this headline\")\n1. Read the [lecture notes](http:\/\/math.unm.edu\/~motamed\/UQ2018\/KL.pdf) for this section.\n\n### Table Of Contents\n- [Introductory Overview](https:\/\/math.unm.edu\/~motamed\/UQ2018\/intro.html)\n- [Basics of Probability Theory](https:\/\/math.unm.edu\/~motamed\/UQ2018\/probability.html)\n- [Karhunen-Loeve expansion](https:\/\/math.unm.edu\/~motamed\/UQ2018\/kl.html)\n- [Stochastic Differential Equations](https:\/\/math.unm.edu\/~motamed\/UQ2018\/sde.html)\n- [Monte Carlo Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/mc.html)\n- [Multi-level Monte Carlo Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/mlmc.html)\n- [Multi-order Monte Carlo Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/momc.html)\n- [Stochastic Polynomial Approximation](https:\/\/math.unm.edu\/~motamed\/UQ2018\/stochpolynom.html)\n- [Stochastic Collocation](https:\/\/math.unm.edu\/~motamed\/UQ2018\/sc.html)\n- [Stochastic Galerkin](https:\/\/math.unm.edu\/~motamed\/UQ2018\/sg.html)\n- [Bayesian Inversion](https:\/\/math.unm.edu\/~motamed\/UQ2018\/bayes.html)\n- [Markov Chain Monte Carlo](https:\/\/math.unm.edu\/~motamed\/UQ2018\/mcmc.html)\n- [Gibbs Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/gibbs.html)\n- [Matropolis-Hastings Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/mh.html)\n- [Metropolis-within-Gibbs Sampling](https:\/\/math.unm.edu\/~motamed\/UQ2018\/mhgibbs.html)\n- [References](https:\/\/math.unm.edu\/~motamed\/UQ2018\/ref.html)\n\n- [Homework 1](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw1.html)\n- [Homework 2](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw2.html)\n- [Homework 3](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw3.html)\n- [Homework 4](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw4.html)\n- [Homework 5](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw5.html)\n- [Homework 6](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw6.html)\n- [Homework 7](https:\/\/math.unm.edu\/~motamed\/UQ2018\/hw7.html)\n### Search\n\n[previous](https:\/\/math.unm.edu\/~motamed\/UQ2018\/probability.html \"Basics of Probability Theory\") \\| [next](https:\/\/math.unm.edu\/~motamed\/UQ2018\/sde.html \"Stochastic Differential Equations\") \\| [index](https:\/\/math.unm.edu\/~motamed\/UQ2018\/genindex.html \"General Index\")\n\n[Show Source](https:\/\/math.unm.edu\/~motamed\/UQ2018\/_sources\/kl.rst.txt)\n\n© Copyright 2018, Mohammad Motamed. Created using [Sphinx](http:\/\/sphinx-doc.org\/) 1.6.3.","attrs_readable_markdown":null,"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

🚫

NOT INDEXABLE

✅

CRAWLED

6 months ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	6.8 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://math.unm.edu/~motamed/UQ2018/kl.html
Last Crawled	2025-09-15 03:27:47 (6 months ago)
First Indexed	2020-09-25 14:43:28 (5 years ago)
HTTP Status Code	200
Meta Title	Karhunen-Loeve expansion — Uncertainty Quantification, Uppsala University
Meta Description	null
Meta Canonical	null
Boilerpipe Text	Karhunen-Loeve expansion — Uncertainty Quantification, Uppsala University
Markdown	[Uncertainty Quantification, Uppsala University](https://math.unm.edu/~motamed/UQ2018/uq.html) [previous](https://math.unm.edu/~motamed/UQ2018/probability.html "Basics of Probability Theory") \\| [next](https://math.unm.edu/~motamed/UQ2018/sde.html "Stochastic Differential Equations") \\| [index](https://math.unm.edu/~motamed/UQ2018/genindex.html "General Index") # Karhunen-Loeve expansion[¶](https://math.unm.edu/~motamed/UQ2018/kl.html#karhunen-loeve-expansion "Permalink to this headline") ## Week 2b[¶](https://math.unm.edu/~motamed/UQ2018/kl.html#week-2b "Permalink to this headline") 1. Read the [lecture notes](http://math.unm.edu/~motamed/UQ2018/KL.pdf) for this section. ### Table Of Contents - [Introductory Overview](https://math.unm.edu/~motamed/UQ2018/intro.html) - [Basics of Probability Theory](https://math.unm.edu/~motamed/UQ2018/probability.html) - [Karhunen-Loeve expansion](https://math.unm.edu/~motamed/UQ2018/kl.html) - [Stochastic Differential Equations](https://math.unm.edu/~motamed/UQ2018/sde.html) - [Monte Carlo Sampling](https://math.unm.edu/~motamed/UQ2018/mc.html) - [Multi-level Monte Carlo Sampling](https://math.unm.edu/~motamed/UQ2018/mlmc.html) - [Multi-order Monte Carlo Sampling](https://math.unm.edu/~motamed/UQ2018/momc.html) - [Stochastic Polynomial Approximation](https://math.unm.edu/~motamed/UQ2018/stochpolynom.html) - [Stochastic Collocation](https://math.unm.edu/~motamed/UQ2018/sc.html) - [Stochastic Galerkin](https://math.unm.edu/~motamed/UQ2018/sg.html) - [Bayesian Inversion](https://math.unm.edu/~motamed/UQ2018/bayes.html) - [Markov Chain Monte Carlo](https://math.unm.edu/~motamed/UQ2018/mcmc.html) - [Gibbs Sampling](https://math.unm.edu/~motamed/UQ2018/gibbs.html) - [Matropolis-Hastings Sampling](https://math.unm.edu/~motamed/UQ2018/mh.html) - [Metropolis-within-Gibbs Sampling](https://math.unm.edu/~motamed/UQ2018/mhgibbs.html) - [References](https://math.unm.edu/~motamed/UQ2018/ref.html) - [Homework 1](https://math.unm.edu/~motamed/UQ2018/hw1.html) - [Homework 2](https://math.unm.edu/~motamed/UQ2018/hw2.html) - [Homework 3](https://math.unm.edu/~motamed/UQ2018/hw3.html) - [Homework 4](https://math.unm.edu/~motamed/UQ2018/hw4.html) - [Homework 5](https://math.unm.edu/~motamed/UQ2018/hw5.html) - [Homework 6](https://math.unm.edu/~motamed/UQ2018/hw6.html) - [Homework 7](https://math.unm.edu/~motamed/UQ2018/hw7.html) ### Search [previous](https://math.unm.edu/~motamed/UQ2018/probability.html "Basics of Probability Theory") \\| [next](https://math.unm.edu/~motamed/UQ2018/sde.html "Stochastic Differential Equations") \\| [index](https://math.unm.edu/~motamed/UQ2018/genindex.html "General Index") [Show Source](https://math.unm.edu/~motamed/UQ2018/_sources/kl.rst.txt) © Copyright 2018, Mohammad Motamed. Created using [Sphinx](http://sphinx-doc.org/) 1.6.3.
Readable Markdown	null
Shard	107 (laksa)
Root Hash	11157135661193513107
Unparsed URL	edu,unm!math,/~motamed/UQ2018/kl.html s443