OpenTechnical

OT-2026-000050793

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000050793) never changes.

Identity and time

Publication numberOT-2026-000050793 · never reused
Internal UUID01a0ae82-c7b2-71cb-8103-d9d3c5e26d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050793
StatusPUBLIC

Content hashes

Canonical textf0056731b1ef72d3e982cd9c50ab870ba4473f97cea8d1fefdb8d43dd4b57e42
Markdown0357d102f7812335dbdcdece5438632b7603016ba98bc1e5513bfa05484630bc
PDF
Publication page464fe5f9f8bc6c6865df15b8b19cc7e11e84ddd9278ee8113b0bc0b4f95d1d14
Manifesta5a3a413a8bf5269dca7da9647ce425f088a4a086f15a17ed993d3340f0e7e0a

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
SignatureCjhMfzZ44/jJgsJmrzZn3Yd3zaSUjcmSj6RQsF8H6jHwUXQ5XUIXD8TfGsopAVpB8qQ4Oq0pdC9oGh4Qq5PXAQ==
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

2026-09-17T11:00:19.000979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793
observed 464fe5f9f8bc6c6865df15b8b19cc7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.973838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/manifest.json
observed a5a3a413a8bf5269dca7da9647ce425f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.950085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/publication.md
observed 0357d102f7812335dbdcdece5438632b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.937470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793
observed 464fe5f9f8bc6c6865df15b8b19cc7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.915746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/publication.txt
observed f0056731b1ef72d3e982cd9c50ab870b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.912267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/manifest.json
observed a5a3a413a8bf5269dca7da9647ce425f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.882321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/publication.md
observed 0357d102f7812335dbdcdece5438632b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.845346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050793/publication.txt
observed f0056731b1ef72d3e982cd9c50ab870b...
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.