OpenTechnical

OT-2026-000095287

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000095287) never changes.

Identity and time

Publication numberOT-2026-000095287 · never reused
Internal UUID01a0ae9f-8f70-7822-908d-b521aebdede9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095287
StatusPUBLIC

Content hashes

Canonical texte1ef218bc8087f6c3ab76bf9470a8e736a37290b0b0f8128b8b9e52a522f7d1b
Markdown2b065e996a08a3c11758c172fe6561b38ab8074dcfd928f8e5bef0905869a099
PDF
Publication pagef3887b0b7d59582a8b0444627713e955f355edd45aae590b1dbfadb3effbc506
Manifest1f8de635cdacaeaab4bd4cdd985eaa0f8ea086a888e4d4473be34b36056c1859

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
SignatureakYct0LaS2lkwepVHkELdwdz2i8BzT6f8asy5AYlkEs4T+CrO4sCGs9v+LpReJse9s0JL6l+U5fN/mAAmMTiBA==
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

2026-09-17T09:36:37.769420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095287
observed f3887b0b7d59582a8b0444627713e955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:37.751921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095287/manifest.json
observed 1f8de635cdacaeaab4bd4cdd985eaa0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:37.733333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095287/publication.md
observed 2b065e996a08a3c11758c172fe6561b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:37.715020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095287/publication.txt
observed e1ef218bc8087f6c3ab76bf9470a8e73...
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.