OpenTechnical

OT-2026-000003667

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, plant vacuum fed, pressure verified

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-2026-000003667) never changes.

Identity and time

Publication numberOT-2026-000003667 · never reused
Internal UUID01a0a90a-b087-72e8-ae26-b7f781281c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:25.193753Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003667
StatusPUBLIC

Content hashes

Canonical texte46108b68ee1c0eecbe47517dea28d74789732b17eab758e7d22002e36f7e93e
Markdown0d0a386e46f1905981542f711f8cbc000d26a52818fa705437fb0fc910cfc1bf
PDF
Publication pagedc27bb7868a81909ee49d33b46c2ebfac4cacb7a3cc01bc1b28f709a11057681
Manifestb2ad3bc999006f4a581b3c68682e7ecff2774167c39f244964a71a606049e392

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
SignatureB5jhiiE/pgtGZrLRY2kizOEKnN52rM3z4peI59o8J+pzeX4YgjK5q8+lGTTmOUn1XMGle6vy5MUDQnHai/sHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:37.883042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003667
observed dc27bb7868a81909ee49d33b46c2ebfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.744952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003667/manifest.json
observed b2ad3bc999006f4a581b3c68682e7ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.729404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003667/publication.md
observed 0d0a386e46f1905981542f711f8cbc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.715797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003667/publication.txt
observed e46108b68ee1c0eecbe47517dea28d74...
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.