OpenTechnical

OT-2026-000102294

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000102294) never changes.

Identity and time

Publication numberOT-2026-000102294 · never reused
Internal UUID01a0aea4-50f3-710b-9264-c86aa46e75e2 · 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-2026-000102294
StatusPUBLIC

Content hashes

Canonical textc1fc8f72740fbe9f62823407e51be21c5e85bec67ccb04250a4e6a57fbc5db28
Markdowna267758bc13df47b50d31b93b9d83de328c8a003ca6e35f0845402ff23575477
PDF
Publication page553d9da2738e9da7a00075513c4cf56b90b2dfa82f75316d50ce2fb7ac6fa855
Manifest22c2f5e0d07a9e578804286288b789210f6718cc7cf686b4336ebddd48601c2f

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
SignaturehJ0FE823Z+jYZaSLAyoMXj03mwZKzD2QcntQ1jr1CsmT3Dj4l+bWHBmY0Vw7/WjY1LBvSa+CJEuzVSD/hVfXCA==
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

2026-09-17T09:25:29.239059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102294
observed 553d9da2738e9da7a00075513c4cf56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.220227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102294/manifest.json
observed 22c2f5e0d07a9e578804286288b78921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.201810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102294/publication.md
observed a267758bc13df47b50d31b93b9d83de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.183811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102294/publication.txt
observed c1fc8f72740fbe9f62823407e51be21c...
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.