OpenTechnical

OT-2026-000074530

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074530) never changes.

Identity and time

Publication numberOT-2026-000074530 · never reused
Internal UUID01a0ae93-717b-70e9-8aae-dfc8fe2105a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074530
StatusPUBLIC

Content hashes

Canonical textd8a6b2be3ad88d9fce7f908a7d7d3cf7035134009262ed0d4262fcb40f7ed56d
Markdown8cad7ec0637340496e53837ad91cd36649542cf97e9e6778b3897e2a41d33680
PDF
Publication pageda89c254463785799f0cd969e9e5a9a79da4ebb64bdcc33f66f66ac6252c4120
Manifest961889a789ed3e99cfbddc6a94a5e663c4cd390b87f1a44904527b94eab9b7f7

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
Signature8cxDa9CBNDpBqZr2iTZ1sCrMt5JRMJ+pSGV49MQCRef56aSi+7n6ib053SvRyRGj8TQ0CQVRWk2doUgaLIggAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:30.615770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074530
observed da89c254463785799f0cd969e9e5a9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.594207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074530/manifest.json
observed 961889a789ed3e99cfbddc6a94a5e663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.575733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074530/publication.md
observed 8cad7ec0637340496e53837ad91cd366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.557649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074530/publication.txt
observed d8a6b2be3ad88d9fce7f908a7d7d3cf7...
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.