OpenTechnical

OT-2026-000083956

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000083956) never changes.

Identity and time

Publication numberOT-2026-000083956 · never reused
Internal UUID01a0ae98-0419-7f72-b519-c1f0cb00dc16 · 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-2026-000083956
StatusPUBLIC

Content hashes

Canonical texta6a19d6f754e5298aff6e8ee015d9f89f8febb31932da7ed58eb7621e74e5fe9
Markdown0ebd7708870c095d2ca1143116301ae37494fe3bc4d8b1ce598c3bcfb64a1a46
PDF
Publication page1898e20b078cbc62c45a3e3f4656b5dbb5f402c5eadf1ce106774c349a2f7e4e
Manifest996010197bc6f48205679bb98ba1f1ced04a545bdb7c824124218f82537a28ed

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
Signature903elCvv+XagIhbaXzuwFdGcInNbhqcb9Z73YGp22faQn+6Arw3b1xc4kNAePszeZ8so82+Jz2aSSUY1qwJoCQ==
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

2026-09-17T10:00:27.985740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956
observed 1898e20b078cbc62c45a3e3f4656b5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.964421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/manifest.json
observed 996010197bc6f48205679bb98ba1f1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.941470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/publication.md
observed 0ebd7708870c095d2ca1143116301ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.914272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/publication.txt
observed a6a19d6f754e5298aff6e8ee015d9f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.414846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956
observed 1898e20b078cbc62c45a3e3f4656b5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.398860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/manifest.json
observed 996010197bc6f48205679bb98ba1f1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.380061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/publication.md
observed 0ebd7708870c095d2ca1143116301ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.361960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083956/publication.txt
observed a6a19d6f754e5298aff6e8ee015d9f89...
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.