OpenTechnical

OT-2026-000076547

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000076547) never changes.

Identity and time

Publication numberOT-2026-000076547 · never reused
Internal UUID01a0ae94-b06d-762e-b878-aa9556fc73ac · 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-2026-000076547
StatusPUBLIC

Content hashes

Canonical text13f086961541d8500811f03569e350a0585070ff5fd3f5db4ee731c6f419971d
Markdowne1cc8d1b5c3f50ba8e0f9c69f3675d937efd0e9213b80b9cdc2fe9cecaa0dbc0
PDF
Publication page41e2aba61cbeff49c578e9d8736613ee28ff5a3c573cf7557014040d306bd81b
Manifest39667fb6398ba5e699f3f31cb18a207772d6e7319de911ff6f04a58fbedb78db

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
Signature4WYG7gz4Pk0/r6qCkV6+pxu0aKyeY5rPvSc8ithaGnQz2814JRCH+dRSZIc6qr7DxjhjvYoqEsJhAL+jIQecDA==
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

2026-09-17T10:09:15.808178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076547
observed 41e2aba61cbeff49c578e9d8736613ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.789933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076547/manifest.json
observed 39667fb6398ba5e699f3f31cb18a2077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.771043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076547/publication.md
observed e1cc8d1b5c3f50ba8e0f9c69f3675d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.752126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076547/publication.txt
observed 13f086961541d8500811f03569e350a0...
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.