OpenTechnical

OT-2026-000013959

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000013959) never changes.

Identity and time

Publication numberOT-2026-000013959 · never reused
Internal UUID01a0ae6d-8dea-718c-9bdf-ec0a1dcd464e · 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-2026-000013959
StatusPUBLIC

Content hashes

Canonical textf54d8ff15f3b863fdbc6ec77f0971a58d3810cf0ff471081dc2bdbedf70d1c94
Markdownfb4d5b2c5c37a6fd4e764bab88ba2c114266cc8b9fdca81ee95be07692ec7563
PDF
Publication pageb6f0f1f6408902f91eace75c28e087f61c51f589ae8c138c00fc4ebfb10ebcec
Manifestcc058021d43037bc0039e1489e74e29b137fa4072b72f375f8f79345f81a1cf9

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
Signature67WzDDDeYn7bOxFj4fxjCrnXwbwn4e2LtzYco8FwfBE7rqq1SrlY3vmLMB3BQ9WYIV6Cb9Ec/80CORpkouV7DA==
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

2026-09-17T12:09:09.883762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013959
observed b6f0f1f6408902f91eace75c28e087f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.863064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013959/manifest.json
observed cc058021d43037bc0039e1489e74e29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.840447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013959/publication.md
observed fb4d5b2c5c37a6fd4e764bab88ba2c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.819852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013959/publication.txt
observed f54d8ff15f3b863fdbc6ec77f0971a58...
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.