OpenTechnical

OT-2026-000026252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026252) never changes.

Identity and time

Publication numberOT-2026-000026252 · never reused
Internal UUID01a0ae71-f4a5-78ce-97bf-7ba4f6ebf74d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026252
StatusPUBLIC

Content hashes

Canonical text33b5400d5448da200a055941aa5af0c89616ba7c15ccba2ac021d0d3d98bbbaa
Markdown99e41c9aa3e8641e82a2ebc0efaf6fc2373ae6077b13c0c4b072fab3b9ef3930
PDF
Publication pagee186d7aca07df120d2d5fcdd012407c699fa25694e1f85e5058840520d2ef786
Manifest34e848ccb15d2ad6cba4625e39cde30810bae4e5d5d22eee518be84eb4a5ff3d

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
SignatureErrVjf63GmmV8Uxx7mDn+mpzpZwEvsq+dMs5z+5kEm0j1mDHG5K9Qpj0qCvDkCjpNCtVF4LytYR7mJHqg2YWBA==
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

2026-09-17T11:44:11.744022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026252
observed e186d7aca07df120d2d5fcdd012407c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.724876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026252/manifest.json
observed 34e848ccb15d2ad6cba4625e39cde308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.706990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026252/publication.md
observed 99e41c9aa3e8641e82a2ebc0efaf6fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.690459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026252/publication.txt
observed 33b5400d5448da200a055941aa5af0c8...
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.