OpenTechnical

OT-2026-000025406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025406) never changes.

Identity and time

Publication numberOT-2026-000025406 · never reused
Internal UUID01a0ae71-5fa7-7ff8-a0fb-b27ee7369eca · 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-2026-000025406
StatusPUBLIC

Content hashes

Canonical textc8b17ed00e6af4438b602e243060461081cfd088366b30b6ef053ad61c4a324c
Markdown5d1aa5ccc0cfe0b9991aac9330b3739152e40f9f305cfca7053aa3c1698257eb
PDF
Publication page2e796d872974dee845596b01b36b738e2dd46c1879ddd8af135807544bdad967
Manifestf4038874db32c6ee0fe7c89da2306abb1fe49d13068dfa50b84836a89412254b

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
Signature1fWTAe7+WeiycyQ5trkxu21mtXyXjzeT4pn4TxntdTP1J6oQOLt8130iYWfW7D67jVaNiGhJJ2lOxjCuF1lhCQ==
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

2026-09-17T11:47:28.663116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025406
observed 2e796d872974dee845596b01b36b738e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.647189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025406/manifest.json
observed f4038874db32c6ee0fe7c89da2306abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.628896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025406/publication.md
observed 5d1aa5ccc0cfe0b9991aac9330b37391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.611527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025406/publication.txt
observed c8b17ed00e6af4438b602e2430604610...
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.