OpenTechnical

OT-2026-000031119

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000031119) never changes.

Identity and time

Publication numberOT-2026-000031119 · never reused
Internal UUID01a0ae74-87aa-70fd-895c-37053c9bdf49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031119
StatusPUBLIC

Content hashes

Canonical texta816f91f2ad1e446eee474de54a4ca9b5e45bebada26c7d6365a95ee1aea64a0
Markdownf4b89d19909af92e324f8a9f6c5e2783b16493205adfa601ebeb03f0006f81c0
PDF
Publication page89eed390df6d27e3482eadfc0581adabdd2ac2dda19e5abb90526f10005b6581
Manifest5cf090cb4596449707366efbab2b0e3e95571cfa1229e16f786526518348a416

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
Signature9dorAV4yKy5Y7rNVvrF4JM1Fn+T4GXJ+BANy8VqpZadrCkI92mHmA4/08ZMRIWw3moBiyAHaoxJ8Rw32z/goBg==
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

2026-09-17T11:35:33.224912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031119
observed 89eed390df6d27e3482eadfc0581adab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.205754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031119/manifest.json
observed 5cf090cb4596449707366efbab2b0e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.187069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031119/publication.md
observed f4b89d19909af92e324f8a9f6c5e2783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.168721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031119/publication.txt
observed a816f91f2ad1e446eee474de54a4ca9b...
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.