OpenTechnical

OT-2026-000039638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039638) never changes.

Identity and time

Publication numberOT-2026-000039638 · never reused
Internal UUID01a0ae78-d8d4-77dc-87de-979b09ac2899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039638
StatusPUBLIC

Content hashes

Canonical texte51715523e4d0174daf0b8d7c52cf2b7b8e6bef7cca18c533be8dda2513a1b16
Markdownd414e2f2bf4b1279a6dcf0253d53deb0e982cd1fa46c53d0caf9d04e7cb0dc16
PDF
Publication page1391b510c53af565499898d5bbebfcad6e7d9a5dcdb8c459ad6f33fbb0dc66d5
Manifest5cb4ff6c04c6d12c89c890054b405faae12ce948d1b0ee24629c12342b9a3406

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
SignatureBoTvePn5QLzQO4tZQNJEPLCjaJ5sPbW3mz70cLVyDYvzYiq6axUJyfSlaeukzpehmmn0oQQ3wk/NiLpA32dsCQ==
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

2026-09-17T11:19:48.670702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039638
observed 1391b510c53af565499898d5bbebfcad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.651333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039638/manifest.json
observed 5cb4ff6c04c6d12c89c890054b405faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.633462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039638/publication.md
observed d414e2f2bf4b1279a6dcf0253d53deb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.615924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039638/publication.txt
observed e51715523e4d0174daf0b8d7c52cf2b7...
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.