OpenTechnical

OT-2026-000036728

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000036728) never changes.

Identity and time

Publication numberOT-2026-000036728 · never reused
Internal UUID01a0ae77-46e8-7cbc-9afd-fc5d7e43ece5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036728
StatusPUBLIC

Content hashes

Canonical text8b9335145b97d591f5dae5b5d8eda607a8bbc980045c58828f3b8659292982c5
Markdown0b7eac0cda4db1889d857885411f28cc26d880ee08d736d198c0e4b4989dc688
PDF
Publication page865028fe0b4c067f34322ebd1bbcc7a955e330957fc1b3290757778605e91f26
Manifest912b3207de86a3196b0a89697188daea6cc0485547ae5620ce616ff500b9c8f0

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
SignatureH0hFQJZUZ2YyiKJ6oQGM4P4fsS4BpNyXYlY8bBfNmn6Oj+/8ULzo2uJZBkrGJXhtKKS8KgQlnm5t0djoN2p4BQ==
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

2026-09-17T11:26:05.548012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036728
observed 865028fe0b4c067f34322ebd1bbcc7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.532137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036728/manifest.json
observed 912b3207de86a3196b0a89697188daea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.516207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036728/publication.md
observed 0b7eac0cda4db1889d857885411f28cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.499015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036728/publication.txt
observed 8b9335145b97d591f5dae5b5d8eda607...
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.