OpenTechnical

OT-2026-000050229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented before 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-2026-000050229) never changes.

Identity and time

Publication numberOT-2026-000050229 · never reused
Internal UUID01a0ae82-5c46-7c81-9e85-39015b0778f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050229
StatusPUBLIC

Content hashes

Canonical text13a95f7c718016993ef26c47ace7cf28e3e689b5ec279d7096678a51753ecf1f
Markdown57bed01f64f45eea144e60c97ea69cc614357e34947d175eec19a185c008c48f
PDF
Publication page1b111f6e178aeb5e2f93f5d18fcad4a94fa19f1a69c0eb3e2180a837d07427f8
Manifeste64f983f3d72b5fb1eef3ddd135782d832ab0e7e8a22db2addf25669cb3d3918

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
SignatureTIFqdfcCYdi8t9wEeZfH+D0LRwDEvYsnol8N96LKUymfBVELJhC0qPMu/pWFESfE8jQs9sv18UjHTFT2MGB+Dg==
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

2026-09-17T11:01:13.403043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050229
observed 1b111f6e178aeb5e2f93f5d18fcad4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.386328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050229/manifest.json
observed e64f983f3d72b5fb1eef3ddd135782d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.370137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050229/publication.md
observed 57bed01f64f45eea144e60c97ea69cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.353162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050229/publication.txt
observed 13a95f7c718016993ef26c47ace7cf28...
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.