OpenTechnical

OT-2026-000013956

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013956) never changes.

Identity and time

Publication numberOT-2026-000013956 · never reused
Internal UUID01a0ae6d-8dea-798c-bb39-a4a3fcf3e4ea · 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-2026-000013956
StatusPUBLIC

Content hashes

Canonical textb8fda0401ebd6cf22b41e1c863e810d82f24e7afda5cfc357b2baa63f64aeea3
Markdown7aa60db6978c06fb503e01683a066a775fa7bc338de53a51b21fa0b2a41e404e
PDF
Publication pagee9857a418881491d88cac2ba1c2721bb5b368211aa46e87b3075647a4ff77e8a
Manifest7f98c252c679353ab7ce1fc0cd01fea12725c342f58de4604983a4ffce2b616d

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
SignatureLn81hByWSakVkX+TXZnvlzmgy0EdQN5uljySmVSYr/4TmZ4KRxEymJY3V4WNl5vLrdhwrZXTJGoBDD0IDJ4ZCw==
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

2026-09-17T12:09:09.633437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013956
observed e9857a418881491d88cac2ba1c2721bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.613105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013956/manifest.json
observed 7f98c252c679353ab7ce1fc0cd01fea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.592936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013956/publication.md
observed 7aa60db6978c06fb503e01683a066a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.572460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013956/publication.txt
observed b8fda0401ebd6cf22b41e1c863e810d8...
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.