OpenTechnical

OT-2026-000064665

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064665) never changes.

Identity and time

Publication numberOT-2026-000064665 · never reused
Internal UUID01a0ae8d-deb8-7f72-b6be-46791e367d4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064665
StatusPUBLIC

Content hashes

Canonical textacf52f626d5838b9e7bf7db205586b79fb0f5d521374831825a2a4a61181e4d9
Markdown2a324069037008eb9f39ff037d206ca23679199adeb15d14ba51382bbbd1a5d8
PDF
Publication pageb7042f01ae3417ef3963e5c2daf4e6ea94eaac0b2b45caeb7dd0bc212d5a6390
Manifest9c339cbf52eddbd896f780ffe6d8e86e39eaa24da3cfa328346839d931531e77

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
SignatureRUBSuAIzu3QR0r3t8bAdd5LFD4rCFaCIkpHk0VmyCCcHbzP5mmOjvnoYLSS1HqRAet3Sz9HtpY2fv7RjHB1yDg==
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

2026-09-17T10:35:27.475893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064665
observed b7042f01ae3417ef3963e5c2daf4e6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.458766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064665/manifest.json
observed 9c339cbf52eddbd896f780ffe6d8e86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.441647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064665/publication.md
observed 2a324069037008eb9f39ff037d206ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.425222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064665/publication.txt
observed acf52f626d5838b9e7bf7db205586b79...
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.