OpenTechnical

OT-2026-000076781

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076781) never changes.

Identity and time

Publication numberOT-2026-000076781 · never reused
Internal UUID01a0ae94-b06f-7b18-b023-bc7479fb3e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076781
StatusPUBLIC

Content hashes

Canonical textf2aa9e8c73b5df372e4412fc4cc9c334b9d7f0d9c1cc70942e2be8272b0c55f4
Markdown6183308baad18bf7d451ff12cb27f5ed1ce378a4cac0b056e2703a5f98fb72dd
PDF
Publication page7f0b73b535c7530375315e5cff009d966f3114c84ab4fe696109c4a984ae2edc
Manifest507a5a2b3a0634242d7af5acd05b32e9e180da03c90f3be6c09ba70f9a691a07

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
SignaturezhmY1KMyjpQsenD+3ot2QkFUp6n0xcfVKljKVFy5t6E22C2Wr6oqrCZ/M31jGrjMmV3ivTBdd44uc+jA3Bw9DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:38.687543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076781
observed 7f0b73b535c7530375315e5cff009d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.668507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076781/manifest.json
observed 507a5a2b3a0634242d7af5acd05b32e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.649272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076781/publication.md
observed 6183308baad18bf7d451ff12cb27f5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.629391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076781/publication.txt
observed f2aa9e8c73b5df372e4412fc4cc9c334...
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.