OpenTechnical

OT-2026-000095479

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095479) never changes.

Identity and time

Publication numberOT-2026-000095479 · never reused
Internal UUID01a0ae9f-8f73-7842-b311-35ffbfd0306f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095479
StatusPUBLIC

Content hashes

Canonical text53bffceaf6ed29267f0dda7dc2f1a26e3b58675345e6aa3c40fb03043d40f94a
Markdown9da3d2fe3ba15bb407bdd14c733bdbb71be474e1d36d4e3edaef423097e4655a
PDF
Publication page3d255e18bab770957217f3e422e1c46dd6f15a8a476b87c726feae5abee33b5a
Manifest40a7749a1b53eff92a919ea39e58348c79f3dfd2160d8f17037d3518d9b56689

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
SignatureqpvwoorVhKfIwIc/R2XQI2k1kfZZU/W28o8G/7fNjYdV1B5SVOjyH3YWhpwH/NvO0MVrs4fLjiNFghsYTQzaCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:51.301996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095479
observed 3d255e18bab770957217f3e422e1c46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.282519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095479/manifest.json
observed 40a7749a1b53eff92a919ea39e58348c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.265298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095479/publication.md
observed 9da3d2fe3ba15bb407bdd14c733bdbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.247193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095479/publication.txt
observed 53bffceaf6ed29267f0dda7dc2f1a26e...
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.