OpenTechnical

OT-2026-000064579

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000064579) never changes.

Identity and time

Publication numberOT-2026-000064579 · never reused
Internal UUID01a0ae8d-a462-77dd-b90a-3451762d042a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064579
StatusPUBLIC

Content hashes

Canonical text74d590fe458e46440b360ab471c78186863127c6612039ecddf490015aa7e41c
Markdownf9ceed2a905082f02429177eb49f2cc5f75595e688e56bd990199306df7b4323
PDF
Publication pagea194b0d9a9435f6cb2d3a7e4910a250df50c24a52c0d7bc0719c1bed816fb2d0
Manifest33113d434af532860515651dd017785762409c5eac4751c92e3135aa95de1efe

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
SignaturePFs+5exqdeFvo99NzASKpEHfb8V4WI96ixoPm2qBWSUwtE1PsfBIVv8Avuio82Kt7VNkMqJZw/LKjMzICS/zCg==
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

2026-09-17T10:36:48.583696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064579
observed a194b0d9a9435f6cb2d3a7e4910a250d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.566482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064579/manifest.json
observed 33113d434af532860515651dd0177857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.545884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064579/publication.md
observed f9ceed2a905082f02429177eb49f2cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.526547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064579/publication.txt
observed 74d590fe458e46440b360ab471c78186...
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.