OpenTechnical

OT-2026-000031567

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000031567) never changes.

Identity and time

Publication numberOT-2026-000031567 · never reused
Internal UUID01a0ae74-87af-758f-b711-05bf880e8b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031567
StatusPUBLIC

Content hashes

Canonical text8ae6ac67ed93f45da0f4631036f8d0c37aa2851c975a2f8aff73e2db8b0bc271
Markdown8c28bdf0373df5223dbc673d3ead1690918de88c1a11143e7be4f9caf3431be8
PDF
Publication page1cd3896394daab0aae397ef5e08ae58fcbf8f47ce230d87ffe1a6a49dc9b7ff7
Manifest4169619059e96309ea827c81f33f7cd0c3885d0e4e79ad9e2c3c445515b95a34

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
Signature+tbv/bKb0zWuPwOQxEz08Bw2jnUveZxrB5zV8FDqgxQcKbcDws7fGDlXH/RlugWvRhsx1QfVaDO1xDITu92xAQ==
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

2026-09-17T11:36:24.988694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031567
observed 1cd3896394daab0aae397ef5e08ae58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.969892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031567/manifest.json
observed 4169619059e96309ea827c81f33f7cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.950104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031567/publication.md
observed 8c28bdf0373df5223dbc673d3ead1690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.930509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031567/publication.txt
observed 8ae6ac67ed93f45da0f4631036f8d0c3...
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.