OpenTechnical

OT-2026-000025309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000025309) never changes.

Identity and time

Publication numberOT-2026-000025309 · never reused
Internal UUID01a0ae71-5fa6-7a71-96d6-1aceee27bc22 · 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-2026-000025309
StatusPUBLIC

Content hashes

Canonical text951b816df8b37f7be0be9e31de2c6c463a7d265914c1c4e598c062456bbbe7d2
Markdown85189770c2c525fa5f0754a010cb5c64fc4e039073f3e5438aeb54145a110a36
PDF
Publication page0e888bc95085a7ce22814d65f9722356cf04b08686661a176a1a24471fb50392
Manifest52ed7841c3154b9b9fc9a68c14748e2eeca6ba25fb750d790d5b693dea58d995

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
Signatureu9LgFgqCkTLv710ZhnhZZbiRX0BbCKJewZwpjNibZRJMui2gx7doUPv2I6oattS3Th/1q2JCtmdQxQlHcN45Cg==
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

2026-09-17T11:47:18.537094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025309
observed 0e888bc95085a7ce22814d65f9722356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.520910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025309/manifest.json
observed 52ed7841c3154b9b9fc9a68c14748e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.501556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025309/publication.md
observed 85189770c2c525fa5f0754a010cb5c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.452709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025309/publication.txt
observed 951b816df8b37f7be0be9e31de2c6c46...
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.