OpenTechnical

OT-2026-000076890

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000076890) never changes.

Identity and time

Publication numberOT-2026-000076890 · never reused
Internal UUID01a0ae94-b070-7e7d-b53e-c431bb830c11 · 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-2026-000076890
StatusPUBLIC

Content hashes

Canonical textbd2f422765d83e647305c9a963ca47f696ee6cff7aab9dd442afc29868bb752a
Markdown9e0f702ceed7914abd2408e2f50e2e866185cb2d20814d8e0a1f8cfa711b0e17
PDF
Publication page5af7bd1b658249b5c84211108c3c06dbf1bf12c712bd392ed2fe93df66420101
Manifest1cf280e2672fee527a172ad0c14d3f4c43071fcdc7107269f938922047e7c2f0

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+LgKoSMhpog5ofn619VOvw/wWph211lHb9+C8d99vR3+EHeZwYoM8HaztcsO2Vc23d1LtPon5KvekuCxhm6QDA==
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

2026-09-17T10:09:47.733160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076890
observed 5af7bd1b658249b5c84211108c3c06db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.712530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076890/manifest.json
observed 1cf280e2672fee527a172ad0c14d3f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.694436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076890/publication.md
observed 9e0f702ceed7914abd2408e2f50e2e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.676232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076890/publication.txt
observed bd2f422765d83e647305c9a963ca47f6...
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.