OpenTechnical

OT-2026-000076719

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076719) never changes.

Identity and time

Publication numberOT-2026-000076719 · never reused
Internal UUID01a0ae94-b06f-7a8f-b252-0e26deb77167 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076719
StatusPUBLIC

Content hashes

Canonical text70aa82714b5a74ffc22e5ed27cf2a0713892bec7636184bd988b35aaadc96c97
Markdownccdf0d000e2947928bc3b3bcce96b621588410e1fab4bf610b00de05ea79d0e8
PDF
Publication page503a61f33e5464acbb6a14352489b88dce1032ea945925153ab0ea464bdae97f
Manifestef67ed07a9c0d1223263c933afd1191beaacb9291f2413baef34b5a8c57a2848

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
SignatureOkMUSF0krj7eew83/f0rjU84Gg+pXQVNxSr+o0psTMHE2Wp7BSJ9eqCS+gwWGZKQULSLhtnCAZi7Vs13tb1nAw==
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

2026-09-17T10:09:29.403500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076719
observed 503a61f33e5464acbb6a14352489b88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.382957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076719/manifest.json
observed ef67ed07a9c0d1223263c933afd1191b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.240633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076719/publication.md
observed ccdf0d000e2947928bc3b3bcce96b621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.220398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076719/publication.txt
observed 70aa82714b5a74ffc22e5ed27cf2a071...
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.