OpenTechnical

OT-2026-000035157

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000035157) never changes.

Identity and time

Publication numberOT-2026-000035157 · never reused
Internal UUID01a0ae76-6a1d-7250-bebd-2477c3a1cd41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035157
StatusPUBLIC

Content hashes

Canonical textb984b8d90ae5f4527709c4ed10d902987dfd017b1e8eb009f0dac6844d5a4a49
Markdown9a80e903b2ff135a958d6c1afcccfdc3464c50d2d5c30bf7d7873b7abef38727
PDF
Publication page7b1ab0be436b3422ab558d162e97e5e12fdc25e3b9c2f60dd1c00880039726e5
Manifestce1708124d9734ac503f1eb1403a1c859c302a49bbb2cc49c750397e69867c9c

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
Signaturejiht39pBxOTqI37yUPWFV+HOOdvzV1c3lKW4RkWdXEOJN3yEXp5v3MHX1/vt7Q/nDX6TFEfO30e0MfqOxrxbDw==
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

2026-09-17T11:28:15.023830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035157
observed 7b1ab0be436b3422ab558d162e97e5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:15.001159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035157/manifest.json
observed ce1708124d9734ac503f1eb1403a1c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:14.981944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035157/publication.md
observed 9a80e903b2ff135a958d6c1afcccfdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:14.964143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035157/publication.txt
observed b984b8d90ae5f4527709c4ed10d90298...
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.