OpenTechnical

OT-2026-000025216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000025216) never changes.

Identity and time

Publication numberOT-2026-000025216 · never reused
Internal UUID01a0ae71-5fa6-747e-a873-7dbe63f04013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025216
StatusPUBLIC

Content hashes

Canonical textd7f7d28f810237d58c253409edbd41473f56cb1841c12b80c4b3a9c5e352eb76
Markdown2956b20c8d987d2ea5c3610efe6b45e3dd2a5509a13e0d80ac65ab6736433018
PDF
Publication page2ba013a15716570a45a020b74766ad774b118bf85c3ba91fffe53ab3a67004da
Manifest629c3b3abba9c9e386b1bb6ed3c4487537d0bb08ce643d35e6555a323ce5f9fd

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
SignatureEkf2lqppCFFEcFZwQipj5P6wD7GqQl3YRAPyvls+4jSRHgbKHssNK1hdsxJRNRT22PRgjrGEYYEDqtjRFJEPDw==
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

2026-09-17T11:47:13.039427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025216
observed 2ba013a15716570a45a020b74766ad77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.022143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025216/manifest.json
observed 629c3b3abba9c9e386b1bb6ed3c44875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.004732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025216/publication.md
observed 2956b20c8d987d2ea5c3610efe6b45e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.983379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025216/publication.txt
observed d7f7d28f810237d58c253409edbd4147...
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.