OpenTechnical

OT-2026-000069538

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000069538) never changes.

Identity and time

Publication numberOT-2026-000069538 · never reused
Internal UUID01a0ae90-b52b-71b1-9eb5-c3bf28bfe82b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069538
StatusPUBLIC

Content hashes

Canonical text40682caa5e566360a17aba246b628fd000da4fc43f1d3cb7c721497408c0ae51
Markdown77c2cb577e36303d06f18e44b44cef9aa5d4806e9a177c1d72bfd02c7578ec2b
PDF
Publication page473b714a998f0b2583fa613b967f1e6e1332b377b82551f65026aa8c1323864e
Manifest65a001c49de7aeaf8aa5d61ff98c1505f225c84767da601ea67f35351fc2fc45

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
SignatureB9KiAA3fHO53yDinSLog9ZDzmg0hx/VN5n3qigyW1ythtXDqu5/d1jmP/ZoLxXR5qEqOzN6sayNowPHyRHEeBg==
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

2026-09-17T10:30:38.897519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538
observed 473b714a998f0b2583fa613b967f1e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.880937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/manifest.json
observed 65a001c49de7aeaf8aa5d61ff98c1505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.861691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/publication.md
observed 77c2cb577e36303d06f18e44b44cef9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.843731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/publication.txt
observed 40682caa5e566360a17aba246b628fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.141269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538
observed 473b714a998f0b2583fa613b967f1e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.124821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/manifest.json
observed 65a001c49de7aeaf8aa5d61ff98c1505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.106460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/publication.md
observed 77c2cb577e36303d06f18e44b44cef9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.085964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069538/publication.txt
observed 40682caa5e566360a17aba246b628fd0...
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.