OpenTechnical

OT-2026-000013293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000013293) never changes.

Identity and time

Publication numberOT-2026-000013293 · never reused
Internal UUID01a0ae6d-6fc9-7628-8f58-f518a588d8aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013293
StatusPUBLIC

Content hashes

Canonical texte0e9182e6ca951fc0fcb9488be7038eebbc22897a765f591ac77f1683e8f2ab2
Markdown7db22b35ad6fef4acde097e8e089b1ac58a23a0b8a2d9464071cd8c5acea055d
PDF
Publication page11a1652187d5a2fe0f2b4090961a651e70e51cd7e0c00530216b269e67d71cc4
Manifest120b513ab080d0c67a56cbdd0369ccf58cc279b736976995f75a1d8001581c47

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
SignaturecF9S4KPwOOhGacl1sk7QPTS1kedfwiOn3XICKxXQJDSxGi9cac6H5CCA3dl+H0kL2GnC1tpul5HrS2CASppgAg==
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

2026-09-17T12:09:43.025619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013293
observed 11a1652187d5a2fe0f2b4090961a651e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.005240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013293/manifest.json
observed 120b513ab080d0c67a56cbdd0369ccf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.984156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013293/publication.md
observed 7db22b35ad6fef4acde097e8e089b1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.962242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013293/publication.txt
observed e0e9182e6ca951fc0fcb9488be7038ee...
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.