OpenTechnical

OT-2026-000013523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000013523) never changes.

Identity and time

Publication numberOT-2026-000013523 · never reused
Internal UUID01a0ae6d-6fcb-7b34-86da-64395a76f63a · 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-2026-000013523
StatusPUBLIC

Content hashes

Canonical texted0ece01d3b461a3dd9b30904cbd81035ff49288812879af3e4cb4b00ebcc16d
Markdown8d2e8f147dfd0212d6764d02812ee2b4abf462f1a76f8c2a71f17993c367107a
PDF
Publication page49a0888b1b03e929af5c14a7a0f75742a63936efec1779de0c02c73309b3b3ad
Manifest9ab3da0ab2ec384ce4f407ca2405957687a192b28755449be0e32cf4fa32e82d

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
SignatureUMnEkzAfwHZ/zjTliYyOOOnxbh3IN2+xY4nYvJ1xoKsqtWSNGsrhD1BsT7UApDDvIcy17Zf9eV4Qh0Mh7h4MAA==
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

2026-09-17T12:10:02.286398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013523
observed 49a0888b1b03e929af5c14a7a0f75742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.269772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013523/manifest.json
observed 9ab3da0ab2ec384ce4f407ca24059576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.248804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013523/publication.md
observed 8d2e8f147dfd0212d6764d02812ee2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.227376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013523/publication.txt
observed ed0ece01d3b461a3dd9b30904cbd8103...
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.