OpenTechnical

OT-2026-000029974

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029974) never changes.

Identity and time

Publication numberOT-2026-000029974 · never reused
Internal UUID01a0ae73-ac48-7089-bea4-94a2ef081c7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029974
StatusPUBLIC

Content hashes

Canonical text2dbd2f40b645aa43922a99bd37dd17159bf99c4924151a196334178988b25c04
Markdown8a208f32490a0a21b5f15bd80a269eecd500a7fbba5b208b7813440600386ec8
PDF
Publication pageaf651d3ff6f702f8ffec072157b93aa81012b1fb4659c2dd37ea1026678f3eb0
Manifest92cb050664427b2429c7fee6f232ead3640bdadb9c080eb6589b5ea35a1b7cab

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
SignatureMRvqDbnNxTlAz+bC0Rqwr7Kb7AyAk9zwr9js2nMPkOFJtjy6jr0Q7KOzmf5/piv4P9VLuF5nNrNU2G/Ayr7iBA==
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

2026-09-17T11:38:41.657252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029974
observed af651d3ff6f702f8ffec072157b93aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.640509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029974/manifest.json
observed 92cb050664427b2429c7fee6f232ead3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.623724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029974/publication.md
observed 8a208f32490a0a21b5f15bd80a269eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.606738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029974/publication.txt
observed 2dbd2f40b645aa43922a99bd37dd1715...
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.