OpenTechnical

OT-2026-000012426

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012426) never changes.

Identity and time

Publication numberOT-2026-000012426 · never reused
Internal UUID01a0ae6d-39f6-71bd-af2e-c5274415c9e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012426
StatusPUBLIC

Content hashes

Canonical text2bcef79a2f6e8ea3eca8ff52c301029c50435b9d6aed834a2f4db2d933a1a4e9
Markdown7d644ef5e01574cef8e4da9bedbb6235c319f3378d596977466d06db29e844a2
PDF
Publication pagef6443d6135b466a582e7af117777a83c6587e4224c3b9ebfaab7b02f13608307
Manifest5ff5868abd91bd11d7963741434126efac16d7e212ba9ea5e3b45edb05e810a4

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
Signature8oDjUySUrJtgTU7froxuMlw8eAwnVAvhJ3/wuqsoEJ+j/mC62ZnaYe6Fy0JbvI8nMYG95Qk24bDYX3t+4RFXDg==
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

2026-09-17T12:11:55.425430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012426
observed f6443d6135b466a582e7af117777a83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.407204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012426/manifest.json
observed 5ff5868abd91bd11d7963741434126ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.389290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012426/publication.md
observed 7d644ef5e01574cef8e4da9bedbb6235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.373410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012426/publication.txt
observed 2bcef79a2f6e8ea3eca8ff52c301029c...
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.