OpenTechnical

OT-2026-000034206

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000034206) never changes.

Identity and time

Publication numberOT-2026-000034206 · never reused
Internal UUID01a0ae75-df0d-7602-8d70-5ba6a2c5188f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034206
StatusPUBLIC

Content hashes

Canonical text0924093478a749ffd4316edd35579c744b9e7b6e78ec8d7582191b9186161cc8
Markdown9c64d3740eb21266c8929dbde87f219b1840e30bbb24ff87cf123939f8b8d6f3
PDF
Publication page7a82b3f9c05d095e8d5e800f4f343eedb718aa9bde948aad132dea3c11b39ecc
Manifest22daabf954e208d115a982111dd8bff42f786648d3c29c49b8a01a843fe013af

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
SignaturepO28N6U+q1e1dc9XUaeEQVceFeY87dtzmFnJVfgsVHA/V+D2XQvMSy3GZP/kpQZENPdGJc2V5zK9mFrisuriDg==
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

2026-09-17T11:30:45.045298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034206
observed 7a82b3f9c05d095e8d5e800f4f343eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.027921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034206/manifest.json
observed 22daabf954e208d115a982111dd8bff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.004861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034206/publication.md
observed 9c64d3740eb21266c8929dbde87f219b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.979068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034206/publication.txt
observed 0924093478a749ffd4316edd35579c74...
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.