OpenTechnical

OT-2026-000063721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000063721) never changes.

Identity and time

Publication numberOT-2026-000063721 · never reused
Internal UUID01a0ae8c-f946-7572-a95a-d9488f3a6790 · 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-2026-000063721
StatusPUBLIC

Content hashes

Canonical text37a6d6e03f92ebb8adedee244e560963bf157a79ee958dad90f0fb8a1cc7879e
Markdownd8c9a8484411dbf641c55cbec78ad8e07d7f8f7150f4e6b596cd38d15156967c
PDF
Publication page4b247f5a054926b5e1799d3cd1192070e034d892e542d04209fe44ba935d3afc
Manifest7eb6b4a06b1a864d5145124c797e7b56cdb8a09e472b69210f2783035299a264

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
SignatureNG+MJ/qhw8FjAy/bq+zA4Ns2S4Q8a361HPzt6Wij55w9x6Zh6VoUYW8XnObUF7GlQOAL6AtxI/yQpkxTh9FJCw==
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

2026-09-17T10:37:50.893448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063721
observed 4b247f5a054926b5e1799d3cd1192070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.874183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063721/manifest.json
observed 7eb6b4a06b1a864d5145124c797e7b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.856183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063721/publication.md
observed d8c9a8484411dbf641c55cbec78ad8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.837331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063721/publication.txt
observed 37a6d6e03f92ebb8adedee244e560963...
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.