OpenTechnical

OT-2026-000010398

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000010398) never changes.

Identity and time

Publication numberOT-2026-000010398 · never reused
Internal UUID01a0ae6c-0ee6-7ccb-b7ea-3d8cb6492a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010398
StatusPUBLIC

Content hashes

Canonical text03afb4105b5431b868e105875eb5abd7319bc4241d96916c38abd6579fd1ebfd
Markdownea8e890f21ef88cdca029926468c1c782dbcf352f0d053f1b51d934a5efe8830
PDF
Publication page3aa8e2c381abd19dcc35a72a6e0073c96a1f379e152f1e77ba40d51da0b15db0
Manifest83deb020b39a18e0d2c2b046599d3f7aaaaa6181e07b8c4036595a4232af7dd2

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
SignatureQw+1nV9xFkHdSI6eH1uHiW8rrQ8nJ6HQIVA63y1w+S/JMl4r0SgkVOVyOmd5XQZLPNdNOYWbID40qHpJRFpnDw==
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

2026-09-17T12:14:31.203116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010398
observed 3aa8e2c381abd19dcc35a72a6e0073c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.182050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010398/manifest.json
observed 83deb020b39a18e0d2c2b046599d3f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.163377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010398/publication.md
observed ea8e890f21ef88cdca029926468c1c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.144821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010398/publication.txt
observed 03afb4105b5431b868e105875eb5abd7...
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.