OpenTechnical

OT-2026-000020093

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000020093) never changes.

Identity and time

Publication numberOT-2026-000020093 · never reused
Internal UUID01a0ae6f-1fb8-7faf-915e-e0bf7b333cdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020093
StatusPUBLIC

Content hashes

Canonical text70f86272d6acf67056fb04fb3668262377d5c342f776b93e0c1dcec012e4ed70
Markdown62f8b6919d4aadea38d0e4e2eedadf070670c48c4c0090e94409a615450e1374
PDF
Publication page8b53739027d854f8c2279700b1f928b8ab21548ac2e8fdcdaac2aa89f6ca891a
Manifesta88d57c3e4e800c35aab494f6b2dea89b90b49155625d6a0e30f8b3af204a9e9

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
Signature9bfmCgg63f22guTOznE/QHh/f5BM2SZxdPz0UpRR2b4jOfqG1uorOGaBAdHl1a2K84cRvowcinawFtiLP5NrAA==
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

2026-09-17T11:58:22.081716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020093
observed 8b53739027d854f8c2279700b1f928b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.065463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020093/manifest.json
observed a88d57c3e4e800c35aab494f6b2dea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.049251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020093/publication.md
observed 62f8b6919d4aadea38d0e4e2eedadf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.032805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020093/publication.txt
observed 70f86272d6acf67056fb04fb36682623...
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.