OpenTechnical

OT-2026-000092242

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000092242) never changes.

Identity and time

Publication numberOT-2026-000092242 · never reused
Internal UUID01a0ae9d-875a-710a-8d1d-50df0fdc4866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092242
StatusPUBLIC

Content hashes

Canonical text8afd20d1472a42a284b8d05579c8d4a7e5ca9260df121099e7f27e74ee174821
Markdown2cd12816fe05babe60c2f7fdcd20ac45ae160001d4065c4d06811cba093753c4
PDF
Publication pagea8da8cc1d6b11a4768934b46c9ca4bc0ee5fe0f52788b660b3a9188e02c57954
Manifest8419355dc9324b56170434fdcc4d7b8d846ec4241df66c5ede8a03651f78f111

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
SignaturegDMW4DFpYyQAmhJh7xYTG2JjwoSJSGHVefMMxaAmkbecl5ShUlYjfukZCyhnbUab/CAJCXokKace2F3Ats69CA==
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

2026-09-17T09:41:45.824425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092242
observed a8da8cc1d6b11a4768934b46c9ca4bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.805890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092242/manifest.json
observed 8419355dc9324b56170434fdcc4d7b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.788158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092242/publication.md
observed 2cd12816fe05babe60c2f7fdcd20ac45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.770259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092242/publication.txt
observed 8afd20d1472a42a284b8d05579c8d4a7...
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.