OpenTechnical

OT-2026-000064905

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064905) never changes.

Identity and time

Publication numberOT-2026-000064905 · never reused
Internal UUID01a0ae8d-debd-7697-81f2-d974ae4bbe3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064905
StatusPUBLIC

Content hashes

Canonical texta5d0506b37f2587455939a463dc9bca9509c8c77801d4c56c9c9e8d943a2ebaf
Markdown5a283365e94a761faeee6272662f1012aff31ee9d3661a530c1e78235681beba
PDF
Publication page7ee01f39f13dc121ee483fe626dca71a654ebe8d068ac435be77b027daeccb8c
Manifest461895b0138550bb185a2143d33c09e1df367dc9320bd9b2b1d523e7dc1bc6c8

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
SignatureaLriN+v6mG/t1iB4pA8FDnZMqKW3Y6y3tv8mT6lqGer0iSMbbTIkfuLyDbfe0N+oWU1V1qPcxPVbjgcCjNC2AQ==
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

2026-09-17T10:35:50.171903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064905
observed 7ee01f39f13dc121ee483fe626dca71a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.155615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064905/manifest.json
observed 461895b0138550bb185a2143d33c09e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.136669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064905/publication.md
observed 5a283365e94a761faeee6272662f1012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.118514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064905/publication.txt
observed a5d0506b37f2587455939a463dc9bca9...
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.