OpenTechnical

OT-2026-000040113

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040113) never changes.

Identity and time

Publication numberOT-2026-000040113 · never reused
Internal UUID01a0ae79-26fe-7110-98e6-5b82f9f4b0a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040113
StatusPUBLIC

Content hashes

Canonical text8b51a278b21ac212b4f014879c8805371b7c5f5294fe8abead7868028809a88f
Markdown181368cbd3217ae9d5d8bfd06634b34a045a5d736b2f2f8b3f2a1d72bb39801b
PDF
Publication pagef81fd4d50d2d2923596cd4930b2753840658a38e228b280e818e73a9a90878ca
Manifest20e1aa9680a92b0232d4c50cf76f0d5384200c8342ad0750392cac9c13734396

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
Signature347Gwh4PC08NgBik4ykCSWJUq2zT3SZL6SHU9gVyFq6iIBh0PzQLCvTPg7Mt2RmhTBFPJOmPZ41QPCm+f+J7Dw==
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

2026-09-17T11:18:58.780069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040113
observed f81fd4d50d2d2923596cd4930b275384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.763829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040113/manifest.json
observed 20e1aa9680a92b0232d4c50cf76f0d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.747883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040113/publication.md
observed 181368cbd3217ae9d5d8bfd06634b34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.731408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040113/publication.txt
observed 8b51a278b21ac212b4f014879c880537...
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.