OpenTechnical

OT-2026-000102329

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102329) never changes.

Identity and time

Publication numberOT-2026-000102329 · never reused
Internal UUID01a0aea4-50f4-7cca-88a0-a367f4e3b7db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102329
StatusPUBLIC

Content hashes

Canonical textabeb2570f958d0b6cc8175ee68f0afed1881cee98545f1362745d86e4473261a
Markdownd08fb18a494af89964251c96df092a7734090a26402d3dfe52e9695836432791
PDF
Publication pagec3e22d27585548a300f8aa409464369e0d559a807be6ef6ed46221b6aceb3e62
Manifest68392c57dd4ab315ce0b8a7fd825aa500fa49dfa554abcc880847741896d4846

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
SignatureCnuZ8aXX2SsIcCNHj+1dPLJVQlj1A+73vxzbBDAvTdOhj5527FF0sl3FCg8p/srKkveV3sHbr/oY8xjEo3IIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:32.060211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102329
observed c3e22d27585548a300f8aa409464369e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.041399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102329/manifest.json
observed 68392c57dd4ab315ce0b8a7fd825aa50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.021235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102329/publication.md
observed d08fb18a494af89964251c96df092a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.004118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102329/publication.txt
observed abeb2570f958d0b6cc8175ee68f0afed...
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.