OpenTechnical

OT-2026-000044376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000044376) never changes.

Identity and time

Publication numberOT-2026-000044376 · never reused
Internal UUID01a0ae7c-39d7-7b0f-9d9f-28db62c0c6ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044376
StatusPUBLIC

Content hashes

Canonical textdd297cd06736602282eafbaa9716dbc72b67d1c4dd6dd5cfdaf8d797e1da7517
Markdown73355c426a6236275b0b1616412916924c8adfc5635e70a1abf0a1be64333614
PDF
Publication page585794f3ed1cbe06ae26fdf0e1594c2887e5a056b7e7514fdfd2658a489627f9
Manifesta2c65354920009b15e980e3d7038bea3f23965221c2d2d62a20734cd97004610

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
SignaturemqJul8Xt1hKpiLMFXmUvzB5aQXtOtzxwXdkQKGmlDxnQfboX6gQg71jqmitwrp5eFkGorSABZVgYL0kdUrY8CQ==
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

2026-09-17T08:30:33.069616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044376
observed 585794f3ed1cbe06ae26fdf0e1594c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.050021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044376/manifest.json
observed a2c65354920009b15e980e3d7038bea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.992615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044376/publication.md
observed 73355c426a6236275b0b161641291692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.796798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044376/publication.txt
observed dd297cd06736602282eafbaa9716dbc7...
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.