OpenTechnical

OT-2026-000093615

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000093615) never changes.

Identity and time

Publication numberOT-2026-000093615 · never reused
Internal UUID01a0ae9e-508b-772e-ab05-2b588ae358ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093615
StatusPUBLIC

Content hashes

Canonical text99246a5a9344ffefd44703a1ed34853ef3e56f6f3aa160e6c6cc347643f7c7c5
Markdown28747dbc7cb49d64241bb5bbfe0856f30d9ee424b7f93836af5eaaba9797bae7
PDF
Publication pageb3533462fa68c7c7180f9177bcb7192c6fb7ac8fcfabd3daee9779a11c9fbf73
Manifestea9c0f9ac099172cb5443c0d1da5e9af28bd343596ef4b0cb488a2bebbf4a8f5

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
SignatureD8GNRASx7VVrAG5TgWARqwujd5tQhu3JKZFmiXrE7T/G/4GOzarM4PZyZkytBhFA2EHUNVc88cPvF+rycn9+DQ==
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

2026-09-17T09:39:39.796608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093615
observed b3533462fa68c7c7180f9177bcb7192c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.779072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093615/manifest.json
observed ea9c0f9ac099172cb5443c0d1da5e9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.761285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093615/publication.md
observed 28747dbc7cb49d64241bb5bbfe0856f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.746226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093615/publication.txt
observed 99246a5a9344ffefd44703a1ed34853e...
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.