OpenTechnical

OT-2026-000010639

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000010639) never changes.

Identity and time

Publication numberOT-2026-000010639 · never reused
Internal UUID01a0ae6c-0ee8-7bdb-b4d5-8b904fb5d880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010639
StatusPUBLIC

Content hashes

Canonical texta0f4e50e311e854e6d470d0ed849258cd984ae04c721e3befcc1e2bec46298f0
Markdown978d3de00a49e2097455f3efd0ef158800df053cac3e4b9b1a7a50e202a2777b
PDF
Publication pagec0494d1df97c18a192dcb9f27687fe235f247512145f8ebc460208dea8d1cace
Manifest5d9a8fc6cbb382a323316609c1cb61cda612214dc85074489b74a90710f06259

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
Signature+TUPvCYx8TnnMsGAInMLS9C2h0jHHbzblWSTz/Ra3KxG0SwoP4YdjPX5SrBhVCmddYy6ytPmGyYOnL8Xiho/CQ==
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

2026-09-17T12:14:50.211172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010639
observed c0494d1df97c18a192dcb9f27687fe23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.191120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010639/manifest.json
observed 5d9a8fc6cbb382a323316609c1cb61cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.172606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010639/publication.md
observed 978d3de00a49e2097455f3efd0ef1588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.153924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010639/publication.txt
observed a0f4e50e311e854e6d470d0ed849258c...
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.