OpenTechnical

OT-2026-000102423

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102423) never changes.

Identity and time

Publication numberOT-2026-000102423 · never reused
Internal UUID01a0aea4-8589-7fa8-a205-59790290114b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102423
StatusPUBLIC

Content hashes

Canonical text28abb097aa5a88c9ef632ec338ff880f836556454b71480974624c7e7d28d7ad
Markdowncb15f3ce2ba587cbb44ab60f6d64657789a09f925c4eb32c40fd6cefc3d71818
PDF
Publication page5ed7e942f5089856d0651cd53c4fc4a3b7ffd2a181fa67502d07089e8ec05166
Manifest042f2073c8d8def6d9603c1221512e469f102d814dbfe4f813591a5b654df2d3

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
SignatureDY1prjDjYBVYBQGcxB7pKFZOwKzWHT+xd4W2FJD2dInHhwK7zmwtHjF4q9GYh/q/TS6af/bCgTgSDH1KvFcCAw==
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

2026-09-17T09:23:45.974232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102423
observed 5ed7e942f5089856d0651cd53c4fc4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.955873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102423/manifest.json
observed 042f2073c8d8def6d9603c1221512e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.937020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102423/publication.md
observed cb15f3ce2ba587cbb44ab60f6d646577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.918494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102423/publication.txt
observed 28abb097aa5a88c9ef632ec338ff880f...
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.