OpenTechnical

OT-2026-000076885

Publication integrity record

Two cup 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-2026-000076885) never changes.

Identity and time

Publication numberOT-2026-000076885 · never reused
Internal UUID01a0ae94-b070-7f26-a1db-af553f1a0108 · 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-2026-000076885
StatusPUBLIC

Content hashes

Canonical texta47dbca48b9e0b22113d6472d0368bd9a5608758462c4fe3279edeee50309139
Markdown7e22be3bb3b26d0b9528a8084797f0b3612127167a7e72339975a14c9375216f
PDF
Publication page0665d269b2197dc0d15a4442e0419dea185cf1e9fad4e8859d6f2904a21746c8
Manifeste6fd9268b11a36b84ff0dfc97693505feb151546d043f122a2e0b435f75edbbe

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
SignatureFEuB/aeYVdBxPcpBYnZ0JKdR2tGYzOSirBjWU8t9MDS5ifnFxkGey+0mrSpf8Kw0FEmb/SQL+Hy/4NgxU5UEDg==
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

2026-09-17T10:09:47.343288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076885
observed 0665d269b2197dc0d15a4442e0419dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.324423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076885/manifest.json
observed e6fd9268b11a36b84ff0dfc97693505f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.305514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076885/publication.md
observed 7e22be3bb3b26d0b9528a8084797f0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.286943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076885/publication.txt
observed a47dbca48b9e0b22113d6472d0368bd9...
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.