OpenTechnical

OT-2026-000051569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000051569) never changes.

Identity and time

Publication numberOT-2026-000051569 · never reused
Internal UUID01a0ae83-7c81-7c2a-bb12-34b8f13f861d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051569
StatusPUBLIC

Content hashes

Canonical texta75d9937035ae9536e1a7a20feaa295ca2f20cf58fc0a00267b62081275a1bcf
Markdown5f52741de89ca9f1ff4e32342c1a6734055a89eee176a947af273bd157664a34
PDF
Publication page0ffd95432258d9206e8b3ccb9ebeec3218f4f35e1be34090af12f819944aa085
Manifest807cd6eef8b8ad0c6cffa650d949d1f3f506b2cbb756076bb8e53b952156e7b7

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
SignaturewDS+BpIiXj9ffYwhX+Dkj8+4/n0xe1npBFmtgvKXv8923SVojNBgs81ydL1l7dZhO1FjnTzE0fm3JVyPa2z2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:24.560418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051569
observed 0ffd95432258d9206e8b3ccb9ebeec32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.543959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051569/manifest.json
observed 807cd6eef8b8ad0c6cffa650d949d1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.528056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051569/publication.md
observed 5f52741de89ca9f1ff4e32342c1a6734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.511386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051569/publication.txt
observed a75d9937035ae9536e1a7a20feaa295c...
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.