OpenTechnical

OT-2026-000022679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000022679) never changes.

Identity and time

Publication numberOT-2026-000022679 · never reused
Internal UUID01a0ae70-46e9-7883-b108-b7e3fe0de4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022679
StatusPUBLIC

Content hashes

Canonical text0241f936908672a581599fcfe637bd42e581aebaa9a9591ae0be6d38da192c96
Markdowna14d6698181e630ea524554824d4be15f424ec1f83ffd003cb905435b8eeb543
PDF
Publication page21133dbc5a9e581d216f20bb52db00baf6f748b325283a6c235d42e775b8cd4d
Manifest39be270625b88b8e8ae98c119c587b1bbb1b9b920bb68797c01955a165da9537

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/3wOP8h0idFyrAE4rJTGk57+awwNEmQBJVPEKsqo6e3kBgjpn/GMDj8vEOma8PxTLZM7q8rjNnd+/Nz1Bog6Bg==
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

2026-09-17T11:52:04.018697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022679
observed 21133dbc5a9e581d216f20bb52db00ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.002640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022679/manifest.json
observed 39be270625b88b8e8ae98c119c587b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.986644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022679/publication.md
observed a14d6698181e630ea524554824d4be15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.969592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022679/publication.txt
observed 0241f936908672a581599fcfe637bd42...
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.