OpenTechnical

OT-2026-000064725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064725) never changes.

Identity and time

Publication numberOT-2026-000064725 · never reused
Internal UUID01a0ae8d-deb9-7298-9a99-73ea34fbe18e · 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-2026-000064725
StatusPUBLIC

Content hashes

Canonical text36a0862b4e94b00bd8f3b33795790087518c5d87e639ae46dbeadd35dbc0a597
Markdown303940d207fdaefeb438f91db8672d18f6a6e6675f0a4b42459da28355998b31
PDF
Publication page81673b4910efd942a97d5580d50c8d63b1874f3abda511ab379aa7116be927eb
Manifest2a681d02cf5005bbcef6fffde2f65ef33eda9b3c6d8e65092d1380e908bca2d8

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
SignaturesRo2V6jued8Cnq8+xgeHzHBvP33hF2m9lLSLgtOtsZjc8/kQjrbET6ojDI+Sm21i+3ptQiEoIyY8DCsHX9FKBA==
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

2026-09-17T10:35:36.092995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064725
observed 81673b4910efd942a97d5580d50c8d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.075768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064725/manifest.json
observed 2a681d02cf5005bbcef6fffde2f65ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.057242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064725/publication.md
observed 303940d207fdaefeb438f91db8672d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.022440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064725/publication.txt
observed 36a0862b4e94b00bd8f3b33795790087...
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.