OpenTechnical

OT-2026-000080462

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000080462) never changes.

Identity and time

Publication numberOT-2026-000080462 · never reused
Internal UUID01a0ae96-7e78-7030-91c6-cd98701f2421 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080462
StatusPUBLIC

Content hashes

Canonical text429baac437c6057f759447c361346aa2ff3841fbc851ca0fd34413c60c33a271
Markdown485a11914fb331ca75a049965a039e9097492277a7bd50420752964941393d6e
PDF
Publication pagedfaf348f09554dd26df61c1f0f7c770b7dc9539213e2056e7c78b497027c146e
Manifest6f93372baad60c862cb9a53510667c60a25f003f7417610c5fc2a6f181e992da

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
Signature0uXSRH+hbyPiy3p/2vVn/k7NONIhBYijEq0gqPGXAslOb+Fg+64rrXv56SPu/nFx/1a11lHN9PvN9gB0lQVWDQ==
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

2026-09-17T10:02:58.948689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080462
observed dfaf348f09554dd26df61c1f0f7c770b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.930812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080462/manifest.json
observed 6f93372baad60c862cb9a53510667c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.913706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080462/publication.md
observed 485a11914fb331ca75a049965a039e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.897267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080462/publication.txt
observed 429baac437c6057f759447c361346aa2...
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.