OpenTechnical

OT-2026-000076396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000076396) never changes.

Identity and time

Publication numberOT-2026-000076396 · never reused
Internal UUID01a0ae94-6a70-7060-944d-251300c43bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076396
StatusPUBLIC

Content hashes

Canonical textee71f05797acf7cbd0f1b338927f0717d0ec0607d0fc7dde8bcbc207e66bb991
Markdown3f02163eee6b64183531e2ff11ea24ae2ea6ca1b0543ee2385dd117a74f27232
PDF
Publication pagef706349cd6f0ab384e785943b5cb5dd4f353a01d7e1ae423336f5f4437eae458
Manifestaf44e1bf2ebf6da4e469f3ff710bcbe578e55302d4a3069888bd53eed46305bf

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
Signature45O9e+S/V/PjqrC7D7tRmJTy9YDCJZ1wVubxg4filuAHXT3RydrwkXASBUtwqtvdjO+t7m9EZa6IPN6REWReDA==
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

2026-09-17T10:12:18.559046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076396
observed f706349cd6f0ab384e785943b5cb5dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.537163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076396/manifest.json
observed af44e1bf2ebf6da4e469f3ff710bcbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.488125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076396/publication.md
observed 3f02163eee6b64183531e2ff11ea24ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.468283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076396/publication.txt
observed ee71f05797acf7cbd0f1b338927f0717...
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.