OpenTechnical

OT-2026-000065891

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000065891) never changes.

Identity and time

Publication numberOT-2026-000065891 · never reused
Internal UUID01a0ae8e-8dc1-76b4-a73f-144d47c2c626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065891
StatusPUBLIC

Content hashes

Canonical text7ca624933562b172aec96ce7da2d8064d518fb936a6fbea8faa8479d5be90984
Markdownd4992139bcac9b9f9b4ee2403bc466dc0fbc16b17dc4156da04e7540ff2a628a
PDF
Publication page7da58a1aeff6865f4d33361046cbe9e55f37412400ac60451c4ffd722821a3a1
Manifestaf17d886f29b7b6b08f3ad45b5952f5ababb9866823c36c1527c0240ac36080a

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
Signature6ltJTBIH/FYrATtt3j+b6/ifaHVB9qlTpuS4Bm4ELSsP08UrnxtuyRJJ+rEqsZry0+xWz/YmNYeB7TanAT8GBQ==
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

2026-09-17T08:50:05.226910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065891
observed 7da58a1aeff6865f4d33361046cbe9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:05.086253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065891/manifest.json
observed af17d886f29b7b6b08f3ad45b5952f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:05.067488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065891/publication.md
observed d4992139bcac9b9f9b4ee2403bc466dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:05.046344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065891/publication.txt
observed 7ca624933562b172aec96ce7da2d8064...
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.