OpenTechnical

OT-2026-000014681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014681) never changes.

Identity and time

Publication numberOT-2026-000014681 · never reused
Internal UUID01a0ae6d-d093-725f-80c0-97db0912ee68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014681
StatusPUBLIC

Content hashes

Canonical text9c908b83e7d1f97991e0cb3f8f203968a26347cc9c7e9e181669564a3fb24202
Markdown890e3b641d251ceb8d66ae443c771d6b66bb71e1e82467606363c79c2d9c0434
PDF
Publication pagee9a2423a745397e8912bdbfa7542253c2c17bc89061f79579bbb0ddc5fa87982
Manifest6344f483df28c3f64c0c3059cb1058219ab19daf0d5b9a68ae58144dee859f62

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
SignatureSl5sX5TdsRxt7u426S9H7j2FXyW5mVGeCiQynVymWVD/Ex7hX6gxdyCWyf3BDMLJYRcMbmTLfSZIk+s3fFR8Aw==
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

2026-09-17T12:06:32.044140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014681
observed e9a2423a745397e8912bdbfa7542253c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.024389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014681/manifest.json
observed 6344f483df28c3f64c0c3059cb105821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.005601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014681/publication.md
observed 890e3b641d251ceb8d66ae443c771d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.986177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014681/publication.txt
observed 9c908b83e7d1f97991e0cb3f8f203968...
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.