OpenTechnical

OT-2026-000017041

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000017041) never changes.

Identity and time

Publication numberOT-2026-000017041 · never reused
Internal UUID01a0ae6e-591b-7c74-a89f-832ede22e03d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017041
StatusPUBLIC

Content hashes

Canonical text3215f067ab6a22ed79b621f29aa3e7c6922c4ce8c7e30e7a46ad777fc9d1e7be
Markdown739827727132f73e152137240fed5854b26f32978781badc16c311bfebd3bdad
PDF
Publication page0fa786265520e810ec5240ccbbe10dae4cbf59424243d55b69cf963b0edbc481
Manifest1974e831bab2750757c153875535ce9e8654ba0dfdbad0f3ab529215b0ddb242

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
Signatureb3qERrx4NjNHZuoPcJscA6Jpu4kJ4jfqtwUz10EWcOOA2dVyph9VSbuyfsnvp9x6N+EF+7u5hwdItmj9TPmUCw==
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

2026-09-17T12:03:27.314756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017041
observed 0fa786265520e810ec5240ccbbe10dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.296735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017041/manifest.json
observed 1974e831bab2750757c153875535ce9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.279713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017041/publication.md
observed 739827727132f73e152137240fed5854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.261089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017041/publication.txt
observed 3215f067ab6a22ed79b621f29aa3e7c6...
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.