OpenTechnical

OT-2026-000064341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000064341) never changes.

Identity and time

Publication numberOT-2026-000064341 · never reused
Internal UUID01a0ae8d-a460-7d6d-af0b-e6ff7adcd117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064341
StatusPUBLIC

Content hashes

Canonical texte6d3fb6e2d47c522693204ff2fd5e351e089fb3b573422a974b44781b72f3ffd
Markdown59d5f6c87040011fc394040b3e57b4bd773f5639388ee36e97251efe1e78762c
PDF
Publication page656afccd70c98902ceee6c660cd2364450b8aca2d63ea889b3f32cf94e8bbb18
Manifest176309987a68d4ca6d8815a0530a3b619073de787b4dbff8fa1d77bf1263c0e5

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
SignatureooTTqPBk1VIerUVwKTEazl0X48JYh7UjPbmJ1vYSHqGyyMhaqJV4cy9mx2veXuVXI1hRHNi7PY2lyLW4ci8iBw==
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

2026-09-17T10:36:29.942000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064341
observed 656afccd70c98902ceee6c660cd23644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.924815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064341/manifest.json
observed 176309987a68d4ca6d8815a0530a3b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.907894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064341/publication.md
observed 59d5f6c87040011fc394040b3e57b4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.890715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064341/publication.txt
observed e6d3fb6e2d47c522693204ff2fd5e351...
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.