OpenTechnical

OT-2026-000104229

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000104229) never changes.

Identity and time

Publication numberOT-2026-000104229 · never reused
Internal UUID01a0aea5-3420-7074-8bcb-6d3905d73973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104229
StatusPUBLIC

Content hashes

Canonical texta7b10b989dde41e0d2954781e84e238cd021be52d51a767019cce8b87705c59b
Markdown25f71ff6fb341e6309dafdbc7317a11331f7f65197970bf9a21f50b30d1becd5
PDF
Publication pageae2b73c2508f704cfe853baa8279a2acbb9924ab3657146c9162f1ed134b6f50
Manifeste59ac3d91129d4cfe98194bc9be72636a463da847051475c68038c84ac2d6822

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
SignatureUu9VxEVTHn8TRmRuCkqfcOmV169jScm3ldusvOoKnmh26EsoG5LaLlMLubs+mKWFcjqsigUYpHiFUOM8c6shCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:20.093631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104229
observed ae2b73c2508f704cfe853baa8279a2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.072930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104229/manifest.json
observed e59ac3d91129d4cfe98194bc9be72636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.055922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104229/publication.md
observed 25f71ff6fb341e6309dafdbc7317a113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.038310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104229/publication.txt
observed a7b10b989dde41e0d2954781e84e238c...
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.