OpenTechnical

OT-2026-000029559

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000029559) never changes.

Identity and time

Publication numberOT-2026-000029559 · never reused
Internal UUID01a0ae73-5e22-7484-a301-5387aa8b7a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029559
StatusPUBLIC

Content hashes

Canonical textbab44b14e3cb04b1ad3c4c40dfab0eff78cd593dabe516320621b51a0f75008b
Markdown958743a8f986c50a7684ffcf00993aa937616d145bee7fb5354c4962b74e0d31
PDF
Publication pagee90d4e128dd8ceb2ae5779e380b8076d92a27fa7f28ede6c219ca404defba94b
Manifestc6f9267d56ed5dbeb784d739ae0072fd06d0bf63ed77e303a5914aa57cfe67cf

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
Signaturei383LlYJsBSv/Km3xUp8RpPbRfMgPCYgRsfGGGaENq8PduXgIjdoXSdKr89Ze5GjEJqIE5orDDhK6msonsvmCQ==
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

2026-09-17T11:39:15.120101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029559
observed e90d4e128dd8ceb2ae5779e380b8076d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.102398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029559/manifest.json
observed c6f9267d56ed5dbeb784d739ae0072fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.929758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029559/publication.md
observed 958743a8f986c50a7684ffcf00993aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.908304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029559/publication.txt
observed bab44b14e3cb04b1ad3c4c40dfab0eff...
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.