OpenTechnical

OT-2026-000010137

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000010137) never changes.

Identity and time

Publication numberOT-2026-000010137 · never reused
Internal UUID01a0ae6b-cb7a-79bf-9956-c19d5edba30a · 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-2026-000010137
StatusPUBLIC

Content hashes

Canonical text5ac5c95dfad45a2f3536e261d6c85f7d1464ab4829cf2308f01cd82faf991d9f
Markdown89db4625d2894a6b96cefd413b7c3403dc1bcdb1814f736f06d4353673286e15
PDF
Publication page399fc4fc3a4bde20b3e4bcae383213f3ecb520890f73893c4f14d9407f7dc423
Manifest35d6120f943d9ebf8ca3768efe3bdc3434b06a872adfa31e3473e05717917c5d

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
SignatureKYSE7QavVA+P9UFngMYO/aYfDutZUnnJ329ugJPTNxhpWC5lgN+2Pp3rDSN6LeRcaY9K1RsF2fTB/TfaxIo/BQ==
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

2026-09-17T12:16:14.186520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010137
observed 399fc4fc3a4bde20b3e4bcae383213f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.166648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010137/manifest.json
observed 35d6120f943d9ebf8ca3768efe3bdc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.147251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010137/publication.md
observed 89db4625d2894a6b96cefd413b7c3403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.127777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010137/publication.txt
observed 5ac5c95dfad45a2f3536e261d6c85f7d...
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.