OpenTechnical

OT-2026-000013797

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013797) never changes.

Identity and time

Publication numberOT-2026-000013797 · never reused
Internal UUID01a0ae6d-8de9-788c-8a02-fd3ced189ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013797
StatusPUBLIC

Content hashes

Canonical textbc3acc692e0788196a1a06a8f7d0190568f9976987273b6d0859bbc13bd24ab7
Markdown92b086df155e96ae92a024c7baed9c7e47902bd01e2eb47d73afa2e47fd42ef0
PDF
Publication page4908ceb348a0cf1b017733dd9b09febd3e70915a9514e72a771edd722c1d04fd
Manifestc6a8c8c3f1978b40a5bbc4d6dce5c1c55e1ecd05e30caffaa47390cab93f508f

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
SignatureikeCn+WJ3OmomTQDYO8tocMzhMDIfO5SfT3u8OxFhOd9pTE3BZGMFq78W+Iuxed/VLRI9kCsnxytm07puNGlCw==
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

2026-09-17T12:08:53.251393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013797
observed 4908ceb348a0cf1b017733dd9b09febd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.233150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013797/manifest.json
observed c6a8c8c3f1978b40a5bbc4d6dce5c1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.212945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013797/publication.md
observed 92b086df155e96ae92a024c7baed9c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.194789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013797/publication.txt
observed bc3acc692e0788196a1a06a8f7d01905...
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.