OpenTechnical

OT-2026-000025494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025494) never changes.

Identity and time

Publication numberOT-2026-000025494 · never reused
Internal UUID01a0ae71-5fa8-7cec-aafa-6cf5499195b7 · 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-2026-000025494
StatusPUBLIC

Content hashes

Canonical textb0a95bf56ae4a8e3b81fdd5ecaaa85371e9ac059d96951173cb541a0d55b6fb3
Markdown13f7c2f1afde74dfd9422c03b71e155dd5d73b9c0628bd555a7734ea6932a213
PDF
Publication page28fe97110f4065ceea3c76f8b879f6fc10207f15d6be01a0ff98b11a027adc48
Manifest46e0c335cdb634219df534035a10317e3337d52e7822b792fbfaca39d9f34b61

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
SignaturexmO6SZ17DCwess6lkh5xIU4aydW8V5MUHAikDuWCGo0lcmM1tqvQ1I+SjSfa4YHaFA2NgwFwdQhsfWBeLxqfCg==
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

2026-09-17T11:47:35.337706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025494
observed 28fe97110f4065ceea3c76f8b879f6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.320628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025494/manifest.json
observed 46e0c335cdb634219df534035a10317e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.303371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025494/publication.md
observed 13f7c2f1afde74dfd9422c03b71e155d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.287088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025494/publication.txt
observed b0a95bf56ae4a8e3b81fdd5ecaaa8537...
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.