OpenTechnical

OT-2026-000013573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000013573) never changes.

Identity and time

Publication numberOT-2026-000013573 · never reused
Internal UUID01a0ae6d-6fcb-7d37-802d-6b81526099a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013573
StatusPUBLIC

Content hashes

Canonical textdd6943259e518c656f4f1625cd99eebc8d1669be05f825ef91e60bfa83444057
Markdownc8a4d572ceb1d5cc5164992344d28221fa31f5b385f9e328a32435377a869c24
PDF
Publication page2a3b7d9546b0081676291bd758eb7abc066fa9f5149e38a2e81a8056254d0c23
Manifest0323cd748323c10e9d626c3bc0be639aa98999bbf5c1bf6396b292c8c4a40ff8

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
SignatureADyZ6qhq49T86oszXPuCFGygU7XgH7f9AoVG2g4r3qzccZuhRX4HruLof0cakI4XVmeoO07uNaVXl7vNRYtiBQ==
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

2026-09-17T12:10:07.126911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013573
observed 2a3b7d9546b0081676291bd758eb7abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.108847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013573/manifest.json
observed 0323cd748323c10e9d626c3bc0be639a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.092516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013573/publication.md
observed c8a4d572ceb1d5cc5164992344d28221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.075472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013573/publication.txt
observed dd6943259e518c656f4f1625cd99eebc...
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.