OpenTechnical

OT-2026-000076289

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000076289) never changes.

Identity and time

Publication numberOT-2026-000076289 · never reused
Internal UUID01a0ae94-6a70-770a-bf7b-cea744fe0ac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076289
StatusPUBLIC

Content hashes

Canonical texte05d20df117496948438c947cc13c8cf45ef869d9ca7f2b4f1623316b60678f4
Markdown94de7caf058bef31f5e08b44ca154ed2461663b780abb6f83df0394d58b56a77
PDF
Publication page7b16119f82f6e4ce4975d8f7b28fb55f274f009651521e43ead91b4827a64da9
Manifest1cdcd066317674994914318569988630e16577d62c347836e34224a1833b947b

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
Signatureq6ezJ+uY+y/rLT97cWtRRLmnZOQ2l9TpnAR80uLDZTjsXggwAxnemCmj8RsUcu8COeveQIIwomi69p5r/ir1DQ==
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

2026-09-17T10:12:05.568565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076289
observed 7b16119f82f6e4ce4975d8f7b28fb55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.547827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076289/manifest.json
observed 1cdcd066317674994914318569988630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.526873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076289/publication.md
observed 94de7caf058bef31f5e08b44ca154ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.033172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076289/publication.txt
observed e05d20df117496948438c947cc13c8cf...
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.