OpenTechnical

OT-2026-000097805

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000097805) never changes.

Identity and time

Publication numberOT-2026-000097805 · never reused
Internal UUID01a0aea1-92f6-7d3d-907f-062d854710bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097805
StatusPUBLIC

Content hashes

Canonical text8801b955e7c733bda908dcde571066624f4fb7b26a4267deea08e94475df15cb
Markdown0cda4ababcb83aeb91a61cc259da4ed2c328c37228899833e4eb42acb21d532e
PDF
Publication page2caaf5302583e8d2657b80bfea0e42f21481f3891b35fa834d879b691ce05a31
Manifestaf447a94fbf94907ffad4f69bd0ded4a6e75c303fd9a1f90dc3b1fb868174b0f

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
Signature/0ZKXbwwbKiN+t7AOqVsIlIWZ5HdszH/etahs7jrdNndGcJ58Yl/CNz/4jyeUcTX4rePuHSc32aiRcMdn7LuDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:53.473049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097805
observed 2caaf5302583e8d2657b80bfea0e42f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.455353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097805/manifest.json
observed af447a94fbf94907ffad4f69bd0ded4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.439267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097805/publication.md
observed 0cda4ababcb83aeb91a61cc259da4ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.420025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097805/publication.txt
observed 8801b955e7c733bda908dcde57106662...
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.