OpenTechnical

OT-2026-000083494

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083494) never changes.

Identity and time

Publication numberOT-2026-000083494 · never reused
Internal UUID01a0ae98-0415-7227-ac9f-55dacaeeb3a5 · 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-2026-000083494
StatusPUBLIC

Content hashes

Canonical text0dd0d237217405cee36c66a0492d078816512099114c369c324aa2599a4c0657
Markdown0096259701a2f152dc683ef12cd606ca51a64ee1ed13a8f8a7d912191570ffdb
PDF
Publication page81a3acac9d0c698704d4e94f0fd48615650b3f2119aa20ce87d8131a423e569a
Manifest25a1b90a9803bcfb3bec49fc8bf3ab4a38e8a6dfa426f1f9545c22b5a5019a7f

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
SignatureeFMv7+UpA7WWX22d0xQtjnMBAHWgWb3IRgKvy8PmFnyzD/mhNulo40iTcBybdH3C4tRMkTzjxTusfp+OQSywAg==
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

2026-09-17T09:56:28.118122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083494
observed 81a3acac9d0c698704d4e94f0fd48615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.100846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083494/manifest.json
observed 25a1b90a9803bcfb3bec49fc8bf3ab4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.083541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083494/publication.md
observed 0096259701a2f152dc683ef12cd606ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.066610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083494/publication.txt
observed 0dd0d237217405cee36c66a0492d0788...
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.