OpenTechnical

OT-2026-000025964

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000025964) never changes.

Identity and time

Publication numberOT-2026-000025964 · never reused
Internal UUID01a0ae71-a83f-75b9-b7a7-4f3b76c1438d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025964
StatusPUBLIC

Content hashes

Canonical text719474fbfe6f4ab5d23beae9c5a736a71e95a803970e55a54393870edf9afc18
Markdown12bbb1c664b58115375400cdd1757cb964cd625cd1cae477bc3c3fa7a4dfdc74
PDF
Publication page278dd751b419e2c1ef65b49211c02b11603ad294aa63449d441982598f6ad2d7
Manifest1eb63e29b34d76ca102b11a0cbe4b2e70909729a54e8ef0a4dcb8f79929cd921

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
SignatureYEL9Z0noM4b1qUHc6Eu0bGr8sECHjmdIqYKS5klt99TUPB+TxNwlCN3cRS2D/Ssdf2ihzJoiBfhju9wFrRn5Bg==
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

2026-09-17T11:46:19.880948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025964
observed 278dd751b419e2c1ef65b49211c02b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.864091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025964/manifest.json
observed 1eb63e29b34d76ca102b11a0cbe4b2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.843774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025964/publication.md
observed 12bbb1c664b58115375400cdd1757cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.807161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025964/publication.txt
observed 719474fbfe6f4ab5d23beae9c5a736a7...
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.