OpenTechnical

OT-2026-000025299

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000025299) never changes.

Identity and time

Publication numberOT-2026-000025299 · never reused
Internal UUID01a0ae71-5fa6-7946-b865-aba8a932b631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025299
StatusPUBLIC

Content hashes

Canonical texta9a55986ecfbeb365ab3e9f64a40cd9f3b97d7f9c453cf72623e6d3304396fb8
Markdown2e2155abf0eac3bb4f238f3025bcaaea79126dc5050bde279dbadc2588555548
PDF
Publication page6b27b907bf71ae4f3936e783068d416ff774677c065e4e2e36dcff8b1f33216f
Manifest360d1ea9a5d739f2317687c06710b60bb66d9ce6385d1f3b7499ce782c4dbe7a

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
SignaturekYCWUk0FvWixtEyvTBF68UH5XWQSkpX6bearY2WM1l0LzINr5k4de6FxD22aH3hXC1gVJDUN1HEcO6uUxgN9Cg==
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

2026-09-17T11:47:19.025742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025299
observed 6b27b907bf71ae4f3936e783068d416f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.005563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025299/manifest.json
observed 360d1ea9a5d739f2317687c06710b60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.985937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025299/publication.md
observed 2e2155abf0eac3bb4f238f3025bcaaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.966847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025299/publication.txt
observed a9a55986ecfbeb365ab3e9f64a40cd9f...
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.