OpenTechnical

OT-2026-000011498

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000011498) never changes.

Identity and time

Publication numberOT-2026-000011498 · never reused
Internal UUID01a0ae6c-88ff-7a31-a821-99d4ff52a5f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011498
StatusPUBLIC

Content hashes

Canonical text5fc1a2add0bb20fde06ce79a8f341de268e266f157e2692133776779304426bf
Markdownc45725c34f31a63475d168785aa857b3ea12339254a6649dd7a40c6043f31437
PDF
Publication pageed6a7ec0f4bdd3e1b3105a4f0174ec0ba2639d2c00a8ba81076dab1e738529f3
Manifest29d8da3b58bf30ad6237ca8e986cb993bb4baa40d8b9f006b63c8a07f9edfef5

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
SignatureXymV5c4MCEdTEJgbgfinXNp+Zn8H8AoPl/6zg5Cne1GxvdLHr6nljLnA3Roaqn/l7XYhutT3Or3Yap4aohdvCQ==
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

2026-09-17T12:13:16.587635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011498
observed ed6a7ec0f4bdd3e1b3105a4f0174ec0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.565908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011498/manifest.json
observed 29d8da3b58bf30ad6237ca8e986cb993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.543831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011498/publication.md
observed c45725c34f31a63475d168785aa857b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.521820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011498/publication.txt
observed 5fc1a2add0bb20fde06ce79a8f341de2...
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.