OpenTechnical

OT-2026-000076955

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000076955) never changes.

Identity and time

Publication numberOT-2026-000076955 · never reused
Internal UUID01a0ae94-b071-7c55-85df-88b441303058 · 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-2026-000076955
StatusPUBLIC

Content hashes

Canonical text2879753e1a0f777cb709a2952b98b46552811229fe940ae0ab50a13c2b1cb9d1
Markdowne128dd23d9f0d0beb1b43bd7d4ed0458f5147cbdec996ed2840ef0d2bbc0250c
PDF
Publication page580e91f67be9c6578acffbfd7920be636c6a60dfa0a542d30214caf35984c10a
Manifest97a4cd4f5542e06bb99d9330fb9fdd00b6f9da1d3e562d244bb634e1658ccefb

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
Signatureyq66owNTPTs0ru9GTEPrt1EPTszXnWUkGdGhvHPG1NBqoLaERatwNVJBqFIhAT8DuIJV6CrLx8Uol15E9VRTAg==
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

2026-09-17T10:10:08.475679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076955
observed 580e91f67be9c6578acffbfd7920be63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.455460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076955/manifest.json
observed 97a4cd4f5542e06bb99d9330fb9fdd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.312392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076955/publication.md
observed e128dd23d9f0d0beb1b43bd7d4ed0458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.290166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076955/publication.txt
observed 2879753e1a0f777cb709a2952b98b465...
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.