OpenTechnical

OT-2026-000042425

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000042425) never changes.

Identity and time

Publication numberOT-2026-000042425 · never reused
Internal UUID01a0ae7a-5d75-7277-ace9-d243f5547ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042425
StatusPUBLIC

Content hashes

Canonical textea2d46c8726da5a238aa70351fd7e892132059ca5cab4ea72d11a28110e15405
Markdown97226b679ffabdf0d42602331928d49ad9e9f6991059644c71167c7131f906df
PDF
Publication page9d656f374b54d4711f438d47074d943fbb4fc87275c2a1ffec51d41d8cebe8b8
Manifest59f86085820479705a6c643c81e62bff2b33d9aea58a15dc46a1bf576c5566cb

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
Signature08aKwou2XEN+9IdRlOJX4JbAlZiBvksjxEmFmnrbGaWu6b4biJRyQrcIapbvZ8d1c1ttV8XM9MSqtrdl9CYNAg==
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

2026-09-17T11:16:13.508669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042425
observed 9d656f374b54d4711f438d47074d943f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.493022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042425/manifest.json
observed 59f86085820479705a6c643c81e62bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.475635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042425/publication.md
observed 97226b679ffabdf0d42602331928d49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.459044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042425/publication.txt
observed ea2d46c8726da5a238aa70351fd7e892...
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.