OpenTechnical

OT-2026-000069471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069471) never changes.

Identity and time

Publication numberOT-2026-000069471 · never reused
Internal UUID01a0ae90-b52a-7204-8777-12e8ed8f1d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069471
StatusPUBLIC

Content hashes

Canonical textda7f4330e919c085ef4dfcdd99a2e98c423ccbf69b1b48c3089fb886bd304d8e
Markdownc964df75390b798c9dc05478a11c8b925f793673b8573f852cf6ceb8f840f951
PDF
Publication page360faa5f03e5d25af43ac31b2adca5c15f559975a5a869f890882da76b4c7889
Manifest436775ef6b95c3571e2ba372d6f6a96d6587dc70d355307c63fa0592756d4dd0

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
SignatureAGuVn8jLH5mHXMx3QYZMDBCf+O2Fx7Q/QS/miBCtp+kolKhHy1h8c4PQMlbWUxWqJHZ59WN5uHnpA//3LpkKBA==
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

2026-09-17T10:30:32.814365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471
observed 360faa5f03e5d25af43ac31b2adca5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.796296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/manifest.json
observed 436775ef6b95c3571e2ba372d6f6a96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.779090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/publication.md
observed c964df75390b798c9dc05478a11c8b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.761900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/publication.txt
observed da7f4330e919c085ef4dfcdd99a2e98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.552638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471
observed 360faa5f03e5d25af43ac31b2adca5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.534880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/manifest.json
observed 436775ef6b95c3571e2ba372d6f6a96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.516410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/publication.md
observed c964df75390b798c9dc05478a11c8b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.497957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069471/publication.txt
observed da7f4330e919c085ef4dfcdd99a2e98c...
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.