OpenTechnical

OT-2026-000076846

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000076846) never changes.

Identity and time

Publication numberOT-2026-000076846 · never reused
Internal UUID01a0ae94-b070-7be2-aa98-817e560cf269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076846
StatusPUBLIC

Content hashes

Canonical textb13d226ba3a8478c7208bebd6b69b896b71fbd852b4fc2ec340e8ac0d17d7403
Markdown158b35a2ed2b2f0c859ec90b5d7f5a1d01d708522d00cd34398b9a92bf02e33a
PDF
Publication page3381541c1ef52a432f610465b84d6c4094bb4f97b39897137191225c64acc78d
Manifest85cbebc6883ceed1ddc959a75b86baeea90cf2c0c25627d784cb6ad29210bb7a

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
Signature7FYtvdjVGYP2Xb5WnI61ByA7JLJRn1964ZNsTvhJdUjLUWX0CUXOdq1qjpK/NNKlcC6+ne7MxSd0Hz8kSFh/Aw==
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

2026-09-17T10:09:43.962775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076846
observed 3381541c1ef52a432f610465b84d6c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.942880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076846/manifest.json
observed 85cbebc6883ceed1ddc959a75b86baee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.925796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076846/publication.md
observed 158b35a2ed2b2f0c859ec90b5d7f5a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.906490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076846/publication.txt
observed b13d226ba3a8478c7208bebd6b69b896...
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.