prnewswire.com: what it tells AI crawlers

On 27 October 2026, prnewswire.com's robots.txt allowed all of GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Google-Extended, PerplexityBot and CCBot; it also published llms.txt.

Last verified 2026-10-28 03:59 UTC (daily run of 2026-10-27). Proof for that day.

Panel
top 1k (Tranco)
robots.txt
ok (HTTP 200) · https://www.prnewswire.com/robots.txt
unchanged since 2026-10-27 · sha256 906828bd8cf3ae9f… · view as recorded
The * group
allows applies to every agent without its own group

Per AI bot, 2026-10-27

User agentVerdictHow
GPTBotallowsthrough the * group
OAI-SearchBotallowsthrough the * group
ChatGPT-Userallowsthrough the * group
ClaudeBotallowsthrough the * group
Claude-SearchBotallowsthrough the * group
Claude-Userallowsthrough the * group
PerplexityBotallowsthrough the * group
Perplexity-Userallowsthrough the * group
Googlebotallowsthrough the * group
Google-Extendedallowsthrough the * group
Applebot-Extendedallowsthrough the * group
CCBotallowsthrough the * group
Bytespiderallowsthrough the * group
Meta-ExternalAgentallowsthrough the * group
Amazonbotallowsthrough the * group

Other signals

Publishes /llms.txtyes
Publishes /ai.txtno
Publishes /.well-known/tdmrep.jsonno
Reserves TDM rights (TDMRep file, header or meta)no
Declares Content Signals (robots.txt or header)no
Says ai-train=no in a Content Signalno
Points to an RSL licence (robots.txt License line or Link header)no
Answers with an x402 payment offer (lower bound: only the homepage is probed)no
Answers HTTP 402 Payment Required (lower bound: only the homepage is probed)no
Sends noai / noimageai directivesno
Refused our fetcher (403 / challenge)no

llms.txt: "PR Newswire (Cision)", 2,598 bytes, 12 links.

robots.txt as recorded sha256 27f7328c193e49d9…

User-agent: *
Disallow:/search
Disallow:/searchresults

robots.txt versions

FromThroughStateVersion
2026-10-272026-10-27ok 200906828bd8cf3diff with previous
2026-10-262026-10-26ok 200c960fee589aa

Timeline of changes

DateWhat changed
2026-10-27robots.txt changed

Reconstructed history (Common Crawl)

From Common Crawl's robots.txt captures: what CCBot was served, one crawl per quarter. A separate series from the daily observations above; a 403 here means Common Crawl was refused, not this ledger.

CrawlHostStateGPTBotOAI-SearchBotChatGPT-UserClaudeBotClaude-SearchBotClaude-UserPerplexityBot
2026-09-21 CC-MAIN-2026-39www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2025-09-15 CC-MAIN-2025-38www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2024-09-16 CC-MAIN-2024-38www.prnewswire.comok viewblocksallowsunknownallowsallowsunknownallows
2023-10-02 CC-MAIN-2023-40www.prnewswire.comok viewblocksallowsunknownallowsallowsunknownallows
2022-10-03 CC-MAIN-2022-40www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2021-09-27 CC-MAIN-2021-39www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2020-09-28 CC-MAIN-2020-40www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2019-09-23 CC-MAIN-2019-39www.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2018-09-24 CC-MAIN-2018-39www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2018-01-29 CC-MAIN-2018-05www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2017-10-23 CC-MAIN-2017-43www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2017-09-25 CC-MAIN-2017-39www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2017-07-24 CC-MAIN-2017-30www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2017-04-24 CC-MAIN-2017-17www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2017-01-23 CC-MAIN-2017-04www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2016-10-03 CC-MAIN-2016-40www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows
2016-09-05 CC-MAIN-2016-36www2.prnewswire.comok viewallowsallowsunknownallowsallowsunknownallows

Evidence

Every daily observation of prnewswire.com is a leaf in that day's Merkle tree. Proof of the robots.txt line for 2026-10-27: audit path (JSON), day root and OpenTimestamps proof (complete (bitcoin block 973493)).

API: https://infrarabbit.com/crawlers/api/v1/policy/prnewswire.com