OpenTechnical

OT-2026-000021061

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000021061) never changes.

Identity and time

Publication numberOT-2026-000021061 · never reused
Internal UUID01a0ae6f-65e5-75e2-b29d-0cbaea3cc6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021061
StatusPUBLIC

Content hashes

Canonical text115365a5a749ed9b37a2fbf2b72b9d54cf710b21d1e639c80f8d6974c916ba37
Markdownc7e7d1a20b6d762e29e659af33c0bb499417204a146450f876d6d5bd73122422
PDF
Publication page4a03308b264b721d5b1659c8f00b4234f01385adc9b7a06b2c9a70c4bf26b51d
Manifest2e46b0f0d1716a5f29060951f7e4113fb4ba74f3fe0914e71e50c8f38d8886b9

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
SignaturevbimGl0b5PxCuk1lc77CMhLdxEAvwQIFygut+1nBhxQMBAdM+1hMlZxMIR0CpLE97k2iULLhDUTqVxE+Qt99CA==
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

2026-09-17T11:56:13.881508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021061
observed 4a03308b264b721d5b1659c8f00b4234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.863077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021061/manifest.json
observed 2e46b0f0d1716a5f29060951f7e4113f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.845813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021061/publication.md
observed c7e7d1a20b6d762e29e659af33c0bb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.828323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021061/publication.txt
observed 115365a5a749ed9b37a2fbf2b72b9d54...
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.