OpenTechnical

OT-2026-000010295

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000010295) never changes.

Identity and time

Publication numberOT-2026-000010295 · never reused
Internal UUID01a0ae6b-cb7b-7e43-82da-fabe2a675c78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010295
StatusPUBLIC

Content hashes

Canonical texta98de893e03ff0e3831ed0c11aa2034cf1dd7d82ff6b61b0c79f61ffa13602c4
Markdown93762c7fc8be0e32cb9a0339d5671a03e28e43207a9dfa49a05d3a1a380f7353
PDF
Publication page2d7cff8a856382d9d58c68fd48a163fe6c5ffcad7277d1377acdc50efb2e2582
Manifest50d122f0a2628315040167c720aeca760dd0a94956ddb764ec211b0d76c4345b

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
SignaturesccTfnskQlkmUuz+LOIaeymwKpdBug61K/dis6Qc7rdANZeWUTHBtm5ee5Dm7FkOWg30iKpE0z40soWb6HqECg==
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

2026-09-17T12:16:31.544685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010295
observed 2d7cff8a856382d9d58c68fd48a163fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:31.524913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010295/manifest.json
observed 50d122f0a2628315040167c720aeca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:31.507923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010295/publication.md
observed 93762c7fc8be0e32cb9a0339d5671a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:31.490789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010295/publication.txt
observed a98de893e03ff0e3831ed0c11aa2034c...
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.