OpenTechnical

OT-2026-000009893

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009893) never changes.

Identity and time

Publication numberOT-2026-000009893 · never reused
Internal UUID01a0ae6b-cb78-7e11-b736-8aa5c27f6135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009893
StatusPUBLIC

Content hashes

Canonical text029cfb5c22908fbf42ebd51ca4ec6ff76d4fd95476ae4817b192899a583caa79
Markdown0574b12629a9a396fa1485a60f7bfe3cb94b5a5fb1323b0a337d1dba6b3051e9
PDF
Publication page1adff241c7b03ec0f08d4184f51c41484db4b23006e2b653e65eb937a49a7883
Manifestb9f831fdf525043136489b2fddb4ada094ff7180a5a360fa48661188ad75170a

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
SignatureWCxgy3/shBNZpTLaiVnjyJb5rNxUv9SvE9wNE0G03bijRSC24jzHtDQCd7TRjmjgcsqUI7NJ/L9vgklFCufvCQ==
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

2026-09-17T12:15:54.262214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009893
observed 1adff241c7b03ec0f08d4184f51c4148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.243522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009893/manifest.json
observed b9f831fdf525043136489b2fddb4ada0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.223647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009893/publication.md
observed 0574b12629a9a396fa1485a60f7bfe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.204688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009893/publication.txt
observed 029cfb5c22908fbf42ebd51ca4ec6ff7...
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.