OpenTechnical

OT-2026-000020306

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020306) never changes.

Identity and time

Publication numberOT-2026-000020306 · never reused
Internal UUID01a0ae6f-437a-7bc5-9773-55aa8dd7bda5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020306
StatusPUBLIC

Content hashes

Canonical text99b84d20561d355e26a4c6bb47182a0eb082fa107a0a455fbf02fa2eb903526d
Markdown510a06358840ea4c4c2d3856aa635a2d81f5f8b82f2d86a082b0e202add86b7d
PDF
Publication page95269cf13b815142d9e65f7bb1c7c84162a70f90c63cd14f7ab3c5c39561f79d
Manifestb30ed091eb69ccb3de7d67523772e2bd2690001bb981a2b0c1a46ae90b64dbc9

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
Signature65k9pAyDHcCuLYSt+DwbcKESmxCJGRdMaZ8Xu3TxPEvRO+zepkWeNKHtHTSIg0yLpIllQAn/LNla3aFRmTuCCg==
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

2026-09-17T11:56:39.340024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020306
observed 95269cf13b815142d9e65f7bb1c7c841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.321404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020306/manifest.json
observed b30ed091eb69ccb3de7d67523772e2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.302270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020306/publication.md
observed 510a06358840ea4c4c2d3856aa635a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.281891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020306/publication.txt
observed 99b84d20561d355e26a4c6bb47182a0e...
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.