OpenTechnical

OT-2026-000084370

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084370) never changes.

Identity and time

Publication numberOT-2026-000084370 · never reused
Internal UUID01a0ae98-5b62-783d-a67b-336aab5d7d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084370
StatusPUBLIC

Content hashes

Canonical text774741b4d9ae5bed9780b2350d8aaeda1beb32ece48adeee5789bd1c31ff1c26
Markdownbe4918bb0fa922d8eab6595721a76131df8fdda32b418a4ed28a80daba7b9650
PDF
Publication page4875f36f3f6c42804619eb24aaeb38c28c4ad76147792894fbc5097cfe247ffd
Manifeste540b7318ffba775d73b1244163c28c35dd47e08c43ae5e2be01261038a3261b

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
SignaturewKVb3D3joX7ZKIZkRatjgmpyjf8Wns9dvW+hq0Jyi6+oHw0lSbeAVqVAFXi7RWVYt3Wl5gdiz+RhOdVEvoZ0AA==
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

2026-09-17T09:56:18.463881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084370
observed 4875f36f3f6c42804619eb24aaeb38c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.446358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084370/manifest.json
observed e540b7318ffba775d73b1244163c28c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.429052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084370/publication.md
observed be4918bb0fa922d8eab6595721a76131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.386549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084370/publication.txt
observed 774741b4d9ae5bed9780b2350d8aaeda...
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.