OpenTechnical

OT-2026-000037409

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000037409) never changes.

Identity and time

Publication numberOT-2026-000037409 · never reused
Internal UUID01a0ae77-b8cd-78c1-ba66-c2af80af51d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037409
StatusPUBLIC

Content hashes

Canonical texte14d25a21adb7c04a17fb173a18a5cea2bff8caeb9a1d3d422ade0e0ca894f28
Markdown76c74ed9650e787f92d391b1b39dafcfaed85c482bc53d5b851e97b34ce6c143
PDF
Publication pagee36b6bd2072845b21b0ac4fba64eee93a7620fb935a2ddb2c1e8a6e6bd70f661
Manifeste403539584594716f519e0017ad71c883ec043d2e3e746b7e2021c813638dee9

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
Signature9npIqv0EeYqCZg56PACmTVxEtXprcoU7kwwx6fQ0Hzd8gWp89AZ7wYLbVutgrxHKa2yv0+dDs9jdQRT1nJNADA==
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

2026-09-17T11:23:50.426124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037409
observed e36b6bd2072845b21b0ac4fba64eee93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.407944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037409/manifest.json
observed e403539584594716f519e0017ad71c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.391033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037409/publication.md
observed 76c74ed9650e787f92d391b1b39dafcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.372639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037409/publication.txt
observed e14d25a21adb7c04a17fb173a18a5cea...
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.