OpenTechnical

OT-2026-000069754

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069754) never changes.

Identity and time

Publication numberOT-2026-000069754 · never reused
Internal UUID01a0ae91-185f-7d62-911e-497c81f85d8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069754
StatusPUBLIC

Content hashes

Canonical texta4d63ccc38aca15ffc334f4d12066880cb2f289250dd003fcd3eb914ffbebb6f
Markdown59bb6c703b686f5c0a79e16a749d8586c7972016a9d3eb828ba4c240d28bae7a
PDF
Publication page66adfcf7e404e9ec231b37952b9dafb275d8578957800e2ee39107100506855b
Manifest9e59d90fae00a22d300b4ce183b0b18b5039f70c120909cec179b6bb5a3a0db6

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
SignaturezF73E2kFee0kpRvJq5i9Uty8XjlZiy20jTtKem2GlIgGo/rkBQ9ft+UhgeSb8VvMg3rom5uXhAO4RDVly1E0Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:34.508613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069754
observed 66adfcf7e404e9ec231b37952b9dafb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.491541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069754/manifest.json
observed 9e59d90fae00a22d300b4ce183b0b18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.475275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069754/publication.md
observed 59bb6c703b686f5c0a79e16a749d8586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.458267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069754/publication.txt
observed a4d63ccc38aca15ffc334f4d12066880...
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.