OpenTechnical

OT-2026-000027852

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027852) never changes.

Identity and time

Publication numberOT-2026-000027852 · never reused
Internal UUID01a0ae72-a4a5-78c7-8834-fcbc50bda4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027852
StatusPUBLIC

Content hashes

Canonical text0880e49581913221c376d07abbfea6aa0813430b16c530477634e2da75d12a90
Markdown95d78d76160a7f8de263989d466317bfa9a73899447ec99f04014bdabff98ebe
PDF
Publication page7275946fd4866e2abaa5d3cb943360daeab38a7e28e1ba85911cfced484c75d3
Manifest442214bb1bd9e745cdbb62e7ba59c41b075283a227250b7be992393ed8ec386a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureni9snHKNLKdu83RUXWgZYgnIIwiosdmV/TKHpIpDRfDHBYEj5pGF8xn/hAEe2OnM5PaMQdcmRzo4S0sc02mkAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:54.586028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027852
observed 7275946fd4866e2abaa5d3cb943360da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.571053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027852/manifest.json
observed 442214bb1bd9e745cdbb62e7ba59c41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.554014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027852/publication.md
observed 95d78d76160a7f8de263989d466317bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.538011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027852/publication.txt
observed 0880e49581913221c376d07abbfea6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.