OpenTechnical

OT-2026-000087060

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off 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-2026-000087060) never changes.

Identity and time

Publication numberOT-2026-000087060 · never reused
Internal UUID01a0ae9a-9f2d-72f9-9a2e-9f2653adb703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087060
StatusPUBLIC

Content hashes

Canonical texta3a3e0252393625d766db161dd962b895eec0683bfe8e6de3c17cfcd0440247e
Markdowna4d79192a8649559ac31c2deedc8e2381e6c5a513ac46a0bb7e77e28e6af8ffe
PDF
Publication pageefd7f341712e3e8feb7f0a45fe6a80bbbba5a86cd3f7e5a8dda909f98974654b
Manifest469a44bd55b6a8fc8eae415b562da95e573ae6b62f512a959e3636528b8392e9

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
SignatureJb7Qr9Ay9Cd/PGMTpVPfKIdm56hOXuI2WCdCrDHhdlmVNcSN9lIvIE5qYZE7t5DFQbhkmfRtvODV8epvbOzACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:18.501553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087060
observed efd7f341712e3e8feb7f0a45fe6a80bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.484831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087060/manifest.json
observed 469a44bd55b6a8fc8eae415b562da95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.468682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087060/publication.md
observed a4d79192a8649559ac31c2deedc8e238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.451462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087060/publication.txt
observed a3a3e0252393625d766db161dd962b89...
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.