OpenTechnical

OT-2026-000008328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000008328) never changes.

Identity and time

Publication numberOT-2026-000008328 · never reused
Internal UUID01a0ae6a-e469-7e36-baec-45640cc19c78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008328
StatusPUBLIC

Content hashes

Canonical text8cc603859e469c565633f7209b605cefeb89c95ef0e2766bb03150e46e9d6c7c
Markdown76e3d412a8da964b5e97f5585125f09e6e39eb335a49efaba296fab5225eea66
PDF
Publication page69a82ef40e1438f06007da9a25d88d3255c79544e92d2292b6a4c447e8cbd96e
Manifestde8d94c975df8e300c2419fc24e31899dd7abd43e0e1c95d367ceb0cbf561222

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
Signatureep2ZXlcbrb9Ks1kCBHT9vLZMUoj/n5vSm0n+o8Vw7vJwIRW/0KS5bPJXz6wYonlPv+vN82jOWiS01VQghMV4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:08.442378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008328
observed 69a82ef40e1438f06007da9a25d88d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:08.423090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008328/manifest.json
observed de8d94c975df8e300c2419fc24e31899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:08.402494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008328/publication.md
observed 76e3d412a8da964b5e97f5585125f09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:08.384163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008328/publication.txt
observed 8cc603859e469c565633f7209b605cef...
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.