OpenTechnical

OT-2026-000010522

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained blow-off 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-2026-000010522) never changes.

Identity and time

Publication numberOT-2026-000010522 · never reused
Internal UUID01a0ae6c-0ee7-7a59-8d57-ea41263cc181 · 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-2026-000010522
StatusPUBLIC

Content hashes

Canonical textb309227126fed9ccb8f6c18d279308aed4aded82f69eee9be60c1d3528060a8c
Markdown0c53e1e45564ed4a66ebe76ff4dbb5e025d4e5fe45c1c20515994ff5dcc6da04
PDF
Publication pagef2dc70902796cff2d82403718ca4ae44300722c2c30343711d6ae12c88781b3d
Manifeste99d00b36807eb7ed5c3b7bc627cad1686c21efebedc9bd50add25246b113e3b

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
Signatures1IOGO7caVo+bI+dOyObOh3zsNtDo/FlARB6yj+yeg/0Aqw8G3P2emRbYqV7wrCSIqQulNsd0dqonv2ySkreBw==
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

2026-09-17T12:14:40.917000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010522
observed f2dc70902796cff2d82403718ca4ae44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.898537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010522/manifest.json
observed e99d00b36807eb7ed5c3b7bc627cad16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.879111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010522/publication.md
observed 0c53e1e45564ed4a66ebe76ff4dbb5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.860229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010522/publication.txt
observed b309227126fed9ccb8f6c18d279308ae...
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.