OpenTechnical

OT-2026-000051558

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000051558) never changes.

Identity and time

Publication numberOT-2026-000051558 · never reused
Internal UUID01a0ae83-7c81-7790-9da6-0fb49bb6d3d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051558
StatusPUBLIC

Content hashes

Canonical text5e7883375ad802858e2d4bedc5e8f9f38eb89048d72ac9f8620a94a3fee92cd2
Markdown80e7fcbfe28b524b1462f783f6bf71d36117c087c39fe9cde2be1e95bdb6bca6
PDF
Publication page042c800ab4e5875d678148967b24051fcd2943d32ea714436e1aed9d6f082bcd
Manifestb4af4fcd248d806a8525246977fdc5d598768ee4fc6d659e77c136d57974cfce

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
Signaturesj2ZtIgCO8Fi7qCB7yG8tHWl4Mikjah6d8bV3sbqO6q/64JnZfGqHsvyYuZUxgZAwuoHuODWJuYXXE3ZkW1aCg==
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

2026-09-17T10:58:23.690018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051558
observed 042c800ab4e5875d678148967b24051f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.671087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051558/manifest.json
observed b4af4fcd248d806a8525246977fdc5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.616086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051558/publication.md
observed 80e7fcbfe28b524b1462f783f6bf71d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.568101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051558/publication.txt
observed 5e7883375ad802858e2d4bedc5e8f9f3...
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.