OpenTechnical

OT-2026-000073906

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000073906) never changes.

Identity and time

Publication numberOT-2026-000073906 · never reused
Internal UUID01a0ae93-2b8e-7b56-a880-84226241b42f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073906
StatusPUBLIC

Content hashes

Canonical text061102bc62f6346b440842c463fc1fccc25e0a1c916d0d9f0f4c17f5331f8466
Markdown8379b59ef69c14bb7e835020507be1ed7ce8d5119bf782e06a98d1b79211dec5
PDF
Publication pageeee6fca415d84088bfd81eb82e5fc40ba95898518365c88b9b434485fc620f9c
Manifest10b1d17bca70a9e76fcefed034ee346e018ee0c6846021cc9a3c7813221f8401

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
SignatureIjVQ/Gmv1Uc6XzEfm6uLd0F8Y7B40CxNkwX4hx0juLbnW0l6vOs6s0FWuiv7kXux+GTjGNDQJABaD/IEtuiYAQ==
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

2026-09-17T10:20:03.913667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073906
observed eee6fca415d84088bfd81eb82e5fc40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.895787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073906/manifest.json
observed 10b1d17bca70a9e76fcefed034ee346e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.878463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073906/publication.md
observed 8379b59ef69c14bb7e835020507be1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.840955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073906/publication.txt
observed 061102bc62f6346b440842c463fc1fcc...
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.