OpenTechnical

OT-2026-000076400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076400) never changes.

Identity and time

Publication numberOT-2026-000076400 · never reused
Internal UUID01a0ae94-6a70-767a-b6eb-699e604f7f91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076400
StatusPUBLIC

Content hashes

Canonical text6128388d266db48c616a147d93ca8a9e77fadf4f52ed6d8893bf89297517ec92
Markdown54650e457ad26949c73bb7ec71a000037c64c6ec95c811ba15cb43796c851b97
PDF
Publication pagee5090a16684db93c44d35f0c64fd1ab4c3fdedba081ab94513ff3b9a70be3efa
Manifest940ebd887f71f5c9800b8f41abc6775e216bc43872cf9368adf00125be76e305

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
Signature3yqK4X306Sb8d/g9/A+IL/it/yTsvNrjNY4hKTpuAuBtEKxKlGefz6QkbCG4YGTboUZhHYF8w2u7u0bsGKXYAg==
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

2026-09-17T10:12:19.542894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076400
observed e5090a16684db93c44d35f0c64fd1ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:19.524536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076400/manifest.json
observed 940ebd887f71f5c9800b8f41abc6775e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:19.506518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076400/publication.md
observed 54650e457ad26949c73bb7ec71a00003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:19.487492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076400/publication.txt
observed 6128388d266db48c616a147d93ca8a9e...
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.