OpenTechnical

OT-2026-000040590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000040590) never changes.

Identity and time

Publication numberOT-2026-000040590 · never reused
Internal UUID01a0ae79-6d0e-7b17-8551-a852763a152d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040590
StatusPUBLIC

Content hashes

Canonical text8be11fd50d24f1d4f1efe4d63a03829a8decc6bbf6d4ccd1730060c5b4727e0e
Markdown4a6a7ee4904016c045278387f459039e92f90967084e8609a9249db940e1d9ee
PDF
Publication page6c0536eeebf7614d7f9754079ffa0c95dde72fa49b54659cb8132550e03d0274
Manifest8891aac49976649a8d4c3d54606957ecf98e1de01801b58ebb4fc75dbb313ae8

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
SignatureORUcKZ80KgHTR+XYpa61vuAi+mUEj927hQuqv8wpo5l0bxUpPkZVzSSocVtxk3qXngBrdOPJ4VSsKle4WmDWBQ==
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

2026-10-02T12:41:54.073398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590
observed 6c0536eeebf7614d7f9754079ffa0c95...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T12:41:53.999002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/manifest.json
observed 8891aac49976649a8d4c3d54606957ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T12:41:53.904391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/publication.md
observed 4a6a7ee4904016c045278387f459039e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T12:41:53.744676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/publication.txt
observed 8be11fd50d24f1d4f1efe4d63a03829a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.625962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590
observed 6c0536eeebf7614d7f9754079ffa0c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.608141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/manifest.json
observed 8891aac49976649a8d4c3d54606957ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.588692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/publication.md
observed 4a6a7ee4904016c045278387f459039e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.571174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040590/publication.txt
observed 8be11fd50d24f1d4f1efe4d63a03829a...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent