OpenTechnical

OT-2026-000076451

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000076451) never changes.

Identity and time

Publication numberOT-2026-000076451 · never reused
Internal UUID01a0ae94-6a71-76ed-be9e-3b5043f6be3c · 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-2026-000076451
StatusPUBLIC

Content hashes

Canonical texta0e49b04f51fa90abd7a5c4b30e8befd8f506b8255efae0a787488e9b633440c
Markdownab9c64be1f2aca296f0644c5bda64b84b78ba09e6cdf9bc4418daad7f06c759b
PDF
Publication pageee6cfdf6fd836f7bc8f60a7cbcb4dbafa18802a82d035820c6a533e3b647c903
Manifest6a45b427ae3e0bc718c380ffd4476cb1d772158a1207b46f4c0cd289f1b69996

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
Signaturete20BYrYIeqsOiL2o2rcKK2q4XYApOLfgfJ7DyJ+exMOQp1CrblSphVgZzb4DeUuA6laEzD+hTw3cC8C9yWeDA==
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

2026-09-17T10:12:34.536315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076451
observed ee6cfdf6fd836f7bc8f60a7cbcb4dbaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.517425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076451/manifest.json
observed 6a45b427ae3e0bc718c380ffd4476cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.498679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076451/publication.md
observed ab9c64be1f2aca296f0644c5bda64b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.478392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076451/publication.txt
observed a0e49b04f51fa90abd7a5c4b30e8befd...
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.