OpenTechnical

OT-2026-000010407

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, vented after 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-2026-000010407) never changes.

Identity and time

Publication numberOT-2026-000010407 · never reused
Internal UUID01a0ae6c-0ee6-7caa-a549-2c9a855e3b21 · 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-2026-000010407
StatusPUBLIC

Content hashes

Canonical text622b9546c98dc9bdbe13e98f537b7df974847253fd2004b9afde66a1f03b66ef
Markdown355bf366fdaec04ae13673c7fbe9530f1059fb2d945b9a3f08c04b8327a65f58
PDF
Publication pagebb278fa16fe90b318ed11e1763da695de8b9d5e6ebad660d2ee09258d8d88488
Manifesteec6eb2108095f9ff92777c900a738335ee05a38e61ae000ad07c5dfb439cb59

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
SignatureDT69BZUPdbD3hvgnW/+X0JRNcHgXazudzizWbYV7xHdPUr70WZEmCFWbYYR53E17ASliTedySWLOFJKzAwNEDQ==
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

2026-09-17T12:14:17.808495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010407
observed bb278fa16fe90b318ed11e1763da695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.786282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010407/manifest.json
observed eec6eb2108095f9ff92777c900a73833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.747625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010407/publication.md
observed 355bf366fdaec04ae13673c7fbe9530f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.706870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010407/publication.txt
observed 622b9546c98dc9bdbe13e98f537b7df9...
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.