OpenTechnical

OT-2026-000017579

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000017579) never changes.

Identity and time

Publication numberOT-2026-000017579 · never reused
Internal UUID01a0ae6e-76ca-7c72-896c-e0e10f968775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017579
StatusPUBLIC

Content hashes

Canonical text8ced002a60a0c80ebcad53e9739afa9dc3a19ca4e01c1e0cba46fa0604088d23
Markdown0e9c0abd385fea637b3293a910db9c2d896932df6f1847b8a3f120eb6fa066b5
PDF
Publication pageb259651c67f64dc661c32fc5294edafb77262d817fd11813cbf256bb33981faa
Manifest6792b278157a70022bbc484ad3c7ee5914f7eb9e66420c160c1b72110e0ce063

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
Signature/B49XD1m8gHvNmVUnHqaHrL20gY8v7Hh7JRbnJuCDO/1iWUS6iKfZpqMq1FYkxH/HjdbdMjmUlyJgZp1rLWlAw==
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

2026-09-17T12:02:45.231836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017579
observed b259651c67f64dc661c32fc5294edafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.213256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017579/manifest.json
observed 6792b278157a70022bbc484ad3c7ee59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.195681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017579/publication.md
observed 0e9c0abd385fea637b3293a910db9c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.175377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017579/publication.txt
observed 8ced002a60a0c80ebcad53e9739afa9d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent