OpenTechnical

OT-2026-000100116

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100116) never changes.

Identity and time

Publication numberOT-2026-000100116 · never reused
Internal UUID01a0aea3-3052-7211-840d-ab35480ba675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100116
StatusPUBLIC

Content hashes

Canonical textfbda4291d1ceb037ff81545cf6b57f5861f073f8370d22ca2967a0ac8ebb34b5
Markdown6f86c1e7860cbedab77760f3196b9e64d863e38dc69810b02c70bb0b15918b63
PDF
Publication pagea50db04dedd1c0f1eb744932ce965107cf3411e063b314ade2ef71b76da5eb5f
Manifest7c94164c903cb9234acd4e45fce781639d194b192ecf31d1b035b81c9b19872f

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
Signaturel/vUc6MCpy7CNz1ktDppdPV/NTe2M8Uih0Je2GaLGjfwQWul27ZSuWU9RDJgvLw4CBtUDOLVYD6KnFGCdiZ8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:49.096179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100116
observed a50db04dedd1c0f1eb744932ce965107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.077454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100116/manifest.json
observed 7c94164c903cb9234acd4e45fce78163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.057798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100116/publication.md
observed 6f86c1e7860cbedab77760f3196b9e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.037583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100116/publication.txt
observed fbda4291d1ceb037ff81545cf6b57f58...
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.