OpenTechnical

OT-2026-000013789

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013789) never changes.

Identity and time

Publication numberOT-2026-000013789 · never reused
Internal UUID01a0ae6d-8de9-7584-adef-26d3e74afa29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013789
StatusPUBLIC

Content hashes

Canonical text324f0beef8cbc173fbec3349e4c4ff953e6f29d07e7c95b9447b20a01b550d34
Markdown003198e110f67560b6f1c29d0462fced9ce2f4042bf3b3d290e0bbba4ebc6d2c
PDF
Publication page10467ca25218560d0b9a13cf4666783bf6f0f6e1f358f5ad3a6e893dd6a9a018
Manifest18dbdb2f84eeb1cf6826d1f29d6b44d3cfc08a6adf8742d0664a37a07d72f14b

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
SignatureZf3T/8rH2B8Tp9gUfdGiYP7InBN2Ew/vOnGMGydZzk0hucMrPOgwyDyKHQvGdAhPk2/N1WFIaDLwUM1QhjXpCA==
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

2026-09-17T12:08:52.599449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013789
observed 10467ca25218560d0b9a13cf4666783b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.579122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013789/manifest.json
observed 18dbdb2f84eeb1cf6826d1f29d6b44d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.560771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013789/publication.md
observed 003198e110f67560b6f1c29d0462fced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.541576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013789/publication.txt
observed 324f0beef8cbc173fbec3349e4c4ff95...
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.