OpenTechnical

OT-2026-000079331

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000079331) never changes.

Identity and time

Publication numberOT-2026-000079331 · never reused
Internal UUID01a0ae96-0b90-7982-a425-c062131b235a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079331
StatusPUBLIC

Content hashes

Canonical textce917c03da2d160e6f11d22a0cbb8ffd4e70f9b59fab9f7ab524888de1f78c56
Markdown3fb1f2daf9512f51789896dc0853c5d0dd0c724efca2b1ae096096fa913e31a2
PDF
Publication pagedadb248207b8049509afb855375c1a27c0d50070c93fd1fc1eff5b6a663d7421
Manifest0f7d8324de256ee86116555fc7b9f2643ce07241ee6c241c3429c0d41be12938

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
SignaturecyDqoLxGR4tix6yGEB1fsQ7zyUMjUaGhY/r34YpJyxbelw9epN42vWiDf/6CtFSjaZmH/1esTPrcXjKuCC6eDQ==
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

2026-09-17T10:04:56.652837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079331
observed dadb248207b8049509afb855375c1a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.633468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079331/manifest.json
observed 0f7d8324de256ee86116555fc7b9f264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.615403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079331/publication.md
observed 3fb1f2daf9512f51789896dc0853c5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.573161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079331/publication.txt
observed ce917c03da2d160e6f11d22a0cbb8ffd...
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.