OpenTechnical

OT-2026-000032441

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-2026-000032441) never changes.

Identity and time

Publication numberOT-2026-000032441 · never reused
Internal UUID01a0ae75-106e-7065-a5b5-faa22ce02215 · 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-2026-000032441
StatusPUBLIC

Content hashes

Canonical texte5da320c080f901524fb734122e5f71f9a7a61b9b36e25520aeff78319b56f92
Markdownbaf5b4573dd3868d6cb564ec33b0a5cfd6dcd3f01da63d33142810aac21b1020
PDF
Publication page6dbaef85b3d9852eb9081ea731db66df2072a08654c2478937257148e50a2f84
Manifestf2e1d3506edf33e146fbc0a67b6cfaf8c2e0af3162ba3a466380693eae6d2e1f

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
Signature/DFs40kF10h/uq1LiJhGoXeT15AiSEznts3DIHM78Ahq2L7dDMJc3fkI8MMzpK5Ri8f1EeW8JZ5uBkiEm1CcDQ==
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

2026-09-17T11:33:51.975258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032441
observed 6dbaef85b3d9852eb9081ea731db66df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.957504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032441/manifest.json
observed f2e1d3506edf33e146fbc0a67b6cfaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.939010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032441/publication.md
observed baf5b4573dd3868d6cb564ec33b0a5cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.920889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032441/publication.txt
observed e5da320c080f901524fb734122e5f71f...
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.