OpenTechnical

OT-2026-000032429

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000032429) never changes.

Identity and time

Publication numberOT-2026-000032429 · never reused
Internal UUID01a0ae75-106e-7832-93c7-067c29852958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032429
StatusPUBLIC

Content hashes

Canonical text09910dd94a30c36ec94d435187deb53827fbc9bac55ae74caf8c48cb48b4bb6f
Markdownd7dc276adabad789f40a3d46513a5a27ff72f349b2774b0aae24e4d9a44d2a21
PDF
Publication page675415300a1fa9c490022b30d4325b9efb411d009670de2fe933129fc32e4fab
Manifestba38eb37cd6142cbeed61acb6af3a6e37f9ee6411cb5cbae1f6620f6e2a62373

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
SignatureAAxL27kgUQBjhml/TC+4qupj9903MI0SweAnjoLn2EEMTlztQCZN9Xcayqa4zNrQJZ0MAbU3s4AruHC+6BnhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:51.029426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032429
observed 675415300a1fa9c490022b30d4325b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.009796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032429/manifest.json
observed ba38eb37cd6142cbeed61acb6af3a6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.990104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032429/publication.md
observed d7dc276adabad789f40a3d46513a5a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.972151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032429/publication.txt
observed 09910dd94a30c36ec94d435187deb538...
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.