OpenTechnical

OT-2026-000008568

Publication integrity record

Single cup vacuum gripper, pump 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-2026-000008568) never changes.

Identity and time

Publication numberOT-2026-000008568 · never reused
Internal UUID01a0ae6a-e46b-76f0-9491-a444f7aa70bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008568
StatusPUBLIC

Content hashes

Canonical text3c73d6c567390753aef6e47475589888bbb27d10c4d6e4320e8a307ef0abd12f
Markdown08e4a0f7209ec3cab90bd874e83eba528b51f1f16f9938b091b016931816a962
PDF
Publication page74f8f6ea79f47ac1feaa6ee4f1e147c3790d191a301ecabcf535e6a906a984fa
Manifest7f29a3e1efe9cd17ad32149954fb429771989fa9dfbb760d8814d45ede05df21

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
SignatureJmkaNUyo7aFRPCngPV7ppDBf4rwmjmePuzzBlSDLvkuYnXZnBsSFKV8rOBFzUyKh/SV6GJGkZOwmKsN+Xi9gCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:30.515439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008568
observed 74f8f6ea79f47ac1feaa6ee4f1e147c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.495344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008568/manifest.json
observed 7f29a3e1efe9cd17ad32149954fb4297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.474238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008568/publication.md
observed 08e4a0f7209ec3cab90bd874e83eba52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.449562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008568/publication.txt
observed 3c73d6c567390753aef6e47475589888...
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.