OpenTechnical

OT-2026-000066935

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000066935) never changes.

Identity and time

Publication numberOT-2026-000066935 · never reused
Internal UUID01a0ae8f-14fd-76d9-b13a-97a90f16006c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066935
StatusPUBLIC

Content hashes

Canonical text1ebb345a57dc584fc4a947fe2de1e1a7ff60572c9e4883377b4c3e537b254605
Markdown981aa8b20afe799fb706876f5b235cb640496920900ffe4d9821e86f0006f740
PDF
Publication page26ff23d5f0f359933d2c2d654a5937d47ef1eb83f7f509dea52ef3cba3be3f85
Manifestd5f8df68ef23ac004d2d3b379b584d7869d07f1bd119e168f9932b89bc8df92a

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
SignaturesVncRwp2O4up5CHvI9JCpM2Am6bwG//hM8a6IirOBkQcC0SyDTjTz5CgG2+b4fudMgLQuAR0wD8/rOSuPiPLDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:08.785716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066935
observed 26ff23d5f0f359933d2c2d654a5937d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.769248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066935/manifest.json
observed d5f8df68ef23ac004d2d3b379b584d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.753028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066935/publication.md
observed 981aa8b20afe799fb706876f5b235cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.735337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066935/publication.txt
observed 1ebb345a57dc584fc4a947fe2de1e1a7...
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.