OpenTechnical

OT-2026-000030665

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000030665) never changes.

Identity and time

Publication numberOT-2026-000030665 · never reused
Internal UUID01a0ae74-3fb3-7e4e-a58e-2affec763003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030665
StatusPUBLIC

Content hashes

Canonical text4c9a6c5616a2acc4f32bdefa72b4b18e1480c797e08b730f2630f4d4440d8330
Markdowndd55a0d39f124c5c59fb19fff1ffda86a693fb2ef0d0e117e7312a3ae33120c3
PDF
Publication pageda65b6d37d9a41b5fa8383ade28a649849139a475adae4d401b6b0fa1c6c6c66
Manifest53ebdaa03113bf520d4fb8fea23fb249a6a749494e7dfca6cae9bd5da184ce1f

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
Signature03nQtTx4qfBYtRUfsrfn+zUDQU8xP1GWsbyXJy0SoZapfldC/YWc7hWFg9zkcPDQ1pfbjHQWAdPs1qVh5U3fBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:33.092244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030665
observed da65b6d37d9a41b5fa8383ade28a6498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.073510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030665/manifest.json
observed 53ebdaa03113bf520d4fb8fea23fb249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.053737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030665/publication.md
observed dd55a0d39f124c5c59fb19fff1ffda86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.035181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030665/publication.txt
observed 4c9a6c5616a2acc4f32bdefa72b4b18e...
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.