OpenTechnical

OT-2026-000045643

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045643) never changes.

Identity and time

Publication numberOT-2026-000045643 · never reused
Internal UUID01a0ae7d-8f03-7ea2-87c1-000c4da38ea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045643
StatusPUBLIC

Content hashes

Canonical textce24fd2978b82b6e05f3759d879d8345403cf9573d2fd36b58f99ce4837af6c6
Markdown3cde58c687555da4881755af5e1235422b2d2b1373a94751dde12a6ce0400798
PDF
Publication page41d296430e8127c9dc3fadff8ac00da1f8285848aa7496d1250ddd0ed076c2ba
Manifest9d63cf334232e8290bc8fdfd91cc6f35ee953ee995e2c8e2254bbb13beb07e18

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
SignatureVJy36fouEMSvX3pPz0lSRNek1jw2dc7ZfN1ubZElDrfpdejykLnQiAyziXZA5akUPO9Adou8aVxVh7iNwGG+Cw==
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

2026-09-17T11:09:25.849193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045643
observed 41d296430e8127c9dc3fadff8ac00da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.829580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045643/manifest.json
observed 9d63cf334232e8290bc8fdfd91cc6f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.808183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045643/publication.md
observed 3cde58c687555da4881755af5e123542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.788394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045643/publication.txt
observed ce24fd2978b82b6e05f3759d879d8345...
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.