OpenTechnical

OT-2026-000063493

Publication integrity record

Two cup vacuum gripper, two 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-2026-000063493) never changes.

Identity and time

Publication numberOT-2026-000063493 · never reused
Internal UUID01a0ae8c-f944-7d2f-8f98-4f74273b0105 · 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-2026-000063493
StatusPUBLIC

Content hashes

Canonical textb6c94ab869015822e3d7f81157aada7b83d2fe358a39854e1e9ab510172285bd
Markdown1a494a99337d12cf10ffdc613df05e5b1ed4c22a327627f1de8ce2d58ffd1043
PDF
Publication page3b9599e0f85c01373baf45a0ffd8e07b1f46d1a7b7916cf691c6ea07a1209232
Manifest63ea7693df4bfb957c0dcf747295dbe01c74a6ad155ef62b069233560fc5ff09

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
Signatureem7ZLDikQw0aLECkGAVF0C/Tx2vSaCuXTrrLj5o4SJ/Fdqs/jabL4kfk9YR5Xr8PxLzPKju8kFWkW50l4dReAg==
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

2026-09-17T10:37:28.240078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063493
observed 3b9599e0f85c01373baf45a0ffd8e07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.222262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063493/manifest.json
observed 63ea7693df4bfb957c0dcf747295dbe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.204827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063493/publication.md
observed 1a494a99337d12cf10ffdc613df05e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.185675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063493/publication.txt
observed b6c94ab869015822e3d7f81157aada7b...
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.