OpenTechnical

OT-2026-000073380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000073380) never changes.

Identity and time

Publication numberOT-2026-000073380 · never reused
Internal UUID01a0ae92-efb8-7bba-8f35-acfbf6832d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073380
StatusPUBLIC

Content hashes

Canonical text83e640e1641cd76eff7060116b07001210ff7383a9e2220e5a9a708981f10afb
Markdown168f2ff3df000c3e0664dfa147ef3d3ca88339da4098b7df714d8169e1c86a4e
PDF
Publication page7a3025f58e6d20f0c8b2c943697fac49bf8fc19316818e19ac1437afb552fcf5
Manifestd605d76cddc78764de6c4577477bc61706af7f553719f27c3a20a7b81f6d53aa

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
SignaturewoRPWjTgZm22MEdlNF+/1zGcn0pB6w6Xp2DHh127eDkG0UqiW6PviPWWHBjLK4tTJlZ3tMa/8tWtKO0GhBvqDg==
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

2026-09-17T10:21:25.249663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073380
observed 7a3025f58e6d20f0c8b2c943697fac49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.231484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073380/manifest.json
observed d605d76cddc78764de6c4577477bc617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.211878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073380/publication.md
observed 168f2ff3df000c3e0664dfa147ef3d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.193202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073380/publication.txt
observed 83e640e1641cd76eff7060116b070012...
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.