OpenTechnical

OT-2026-000025425

Publication integrity record

Six cup vacuum gripper, six 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-2026-000025425) never changes.

Identity and time

Publication numberOT-2026-000025425 · never reused
Internal UUID01a0ae71-5fa7-79a4-b8ea-58e1d9626205 · 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-2026-000025425
StatusPUBLIC

Content hashes

Canonical text193192f7811608952ac179a061b2758a5bfae6ace9f6957747010c224cac4940
Markdown05d9e9b7cd772422397d2d387b5e7650548e53f296e998f730f3b0e077caaa84
PDF
Publication page683ca89dacf2a7c114a30fb981fa5d7ae228225db3344d32cc13757e77aa0aa7
Manifest0962fee94a048a8614324c6bc6eef3df4c51d32acfac6a05d6e11557c4c0a820

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
Signature6WIDH17t71QTGEQoZchtkxfcdT0Y38GZcrBOgyLFl4CS93RYNkc8BOntZYXXoOhcoxFMiFJ4GNvmPPqEJj5OCQ==
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

2026-09-17T11:47:30.143818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025425
observed 683ca89dacf2a7c114a30fb981fa5d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.125442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025425/manifest.json
observed 0962fee94a048a8614324c6bc6eef3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.108026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025425/publication.md
observed 05d9e9b7cd772422397d2d387b5e7650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.091606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025425/publication.txt
observed 193192f7811608952ac179a061b2758a...
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.