OpenTechnical

OT-2026-000046598

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046598) never changes.

Identity and time

Publication numberOT-2026-000046598 · never reused
Internal UUID01a0ae7e-57de-7497-aa79-d8767203400b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046598
StatusPUBLIC

Content hashes

Canonical text0a791d60c89b39c6a466253efd1d8f7fe8837c57718a13203d51b6b45826f356
Markdown5c3e527d66ae4178ffe37a182c692373af4a59d98e4fa8715f01050326edee9a
PDF
Publication page446e94d9ac87ff8dfe748ec86650ce43b4949619a946f7d293b5bf2a9b7d5947
Manifest23eacae963049a69831a6f04e51ae5d7ceffffdb41207137b90135b8818783c0

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
SignaturewK0IIsMDOlxYDCM/1ovooQyFk4IxaLWfm5ZiJbh5/HMUC9ifbmxuxQQ6PaKiIdgrofLB284fqsS1fTnpVZeZBQ==
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

2026-09-17T11:08:40.464327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046598
observed 446e94d9ac87ff8dfe748ec86650ce43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.442039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046598/manifest.json
observed 23eacae963049a69831a6f04e51ae5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.424397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046598/publication.md
observed 5c3e527d66ae4178ffe37a182c692373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.406264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046598/publication.txt
observed 0a791d60c89b39c6a466253efd1d8f7f...
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.