OpenTechnical

OT-2026-000076865

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000076865) never changes.

Identity and time

Publication numberOT-2026-000076865 · never reused
Internal UUID01a0ae94-b070-7972-887d-08a032318e08 · 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-2026-000076865
StatusPUBLIC

Content hashes

Canonical text11bf44e75d53cec4c1de8f38acc4ddaf9b03431c7bc067b709d0e846ba439306
Markdownc138ad8ca1475e3ac4d8189c811267ea7b528ec51b0e46f39ff2d619d7758063
PDF
Publication pageddb794372c6e38a9a7e52ad7638a6c70cdf96958e1360374de003193f7318764
Manifest42a47901d955540ebe42cf876fb68743f31ed6f33467b9a424f21ee5a6772561

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
SignatureLjpjRt03OpYPY0U/5X+jWgxsU1z5rl8l0O9SLP7NOJFzKPfF52nIVd6C8X34+Hbbj09j/aomVz5AkOugXov9AQ==
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

2026-09-17T10:09:45.500421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076865
observed ddb794372c6e38a9a7e52ad7638a6c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.480992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076865/manifest.json
observed 42a47901d955540ebe42cf876fb68743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.462024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076865/publication.md
observed c138ad8ca1475e3ac4d8189c811267ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.441983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076865/publication.txt
observed 11bf44e75d53cec4c1de8f38acc4ddaf...
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.