OpenTechnical

OT-2026-000083651

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000083651) never changes.

Identity and time

Publication numberOT-2026-000083651 · never reused
Internal UUID01a0ae98-0416-7a6a-a278-2d66688c218c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083651
StatusPUBLIC

Content hashes

Canonical text0d2d7319bf102f03c3440d120b2a89ba47127024ffb127adb069aa8f3a879372
Markdownae162bbe7bf47216075cd437e23d681f1fb834a23c2d291763ccb97a11433be1
PDF
Publication page1256c522f5742564505010f221791e74efbd204889410b197a0c052d80d808d8
Manifest3f0b3bbc61fa363f665cc1cb43a59b73688e4e82e26edc148441edbca17c5d71

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
SignatureUrjCkMO/fFjJ3+j8Q2nBzcHoWOFmWe8fkiSa7cQStlVJaoTMcqtV3u8G+a2aHq08Nxbmnw7ODY+ckhkX5mLFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:16.067012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083651
observed 1256c522f5742564505010f221791e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.048375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083651/manifest.json
observed 3f0b3bbc61fa363f665cc1cb43a59b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.031754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083651/publication.md
observed ae162bbe7bf47216075cd437e23d681f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.014781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083651/publication.txt
observed 0d2d7319bf102f03c3440d120b2a89ba...
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.