OpenTechnical

OT-2026-000063590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000063590) never changes.

Identity and time

Publication numberOT-2026-000063590 · never reused
Internal UUID01a0ae8c-f945-76a4-b5e7-d8572b5c1895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063590
StatusPUBLIC

Content hashes

Canonical texte7c75aa732cc94ff5ad11993f30a8445d77312ae4c71791ba21b2a41fa19577f
Markdownea27096e84f4179709e6972b72ff0de25a8cf68bbc564b473c48ee068696c70b
PDF
Publication page4db9783e4ba7416e065fddd4f2cf6288d50f25d6db32abfbeb7dd42adf87eb54
Manifest550237abf6c2ad0532c5926b289776486052ffe86b4565c76b25592a376e0b25

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
SignatureVf6oSRzZox+k3WRPJAxMVH/m6sEFMexotKwEBykSHQ89NiH3/JWFm0SKMBii8loqInd4ac2lS11ztlbmUSbTBQ==
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

2026-09-17T10:37:36.392960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063590
observed 4db9783e4ba7416e065fddd4f2cf6288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.376312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063590/manifest.json
observed 550237abf6c2ad0532c5926b28977648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.357780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063590/publication.md
observed ea27096e84f4179709e6972b72ff0de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:36.339910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063590/publication.txt
observed e7c75aa732cc94ff5ad11993f30a8445...
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.