OpenTechnical

OT-2026-000012367

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000012367) never changes.

Identity and time

Publication numberOT-2026-000012367 · never reused
Internal UUID01a0ae6d-39f6-7f7e-8de0-43ea2917011f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012367
StatusPUBLIC

Content hashes

Canonical textf3b2bd8ea72536282ba30ee091d1fcd993b0e70db41d45fa1bbcc3f0a9dc8b76
Markdownd20e19c4b72726b517966bac3f0ca516f4132444367fd08de731f398935ee1e4
PDF
Publication pagef80e55709a2bfce7fe8dc3dd3323bfcdd92ae2941d6aeb9c4fe53dca15d9a38e
Manifestbafe7359ea14e889446b23cd1e70f5b2a12e0d921b87512af3e0ab70cc82217f

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/9WnR0z0K2md+knJI+3IB2g9OnEe7iDAax9phra8KvZUKGvS5+V3MrlzLD2O6Sr46d0XLd8Aeo+fyD4u8/WxBQ==
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

2026-09-17T12:10:58.257495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012367
observed f80e55709a2bfce7fe8dc3dd3323bfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.236758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012367/manifest.json
observed bafe7359ea14e889446b23cd1e70f5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.217869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012367/publication.md
observed d20e19c4b72726b517966bac3f0ca516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.198163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012367/publication.txt
observed f3b2bd8ea72536282ba30ee091d1fcd9...
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.