OpenTechnical

OT-2026-000018273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018273) never changes.

Identity and time

Publication numberOT-2026-000018273 · never reused
Internal UUID01a0ae6e-b488-720e-a712-6c6926e3f0f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018273
StatusPUBLIC

Content hashes

Canonical textb2338190315b1d586e2ea3731a1d47eee41ebf88c84557e00c348a1c74f296c3
Markdownece38618150674f7ff0998ef5f7f89a37a48344b67e61b637fdba5221d0345f6
PDF
Publication page857a6e4e0ed4438de8e64cee2235b532c93ee1e4b86eab541889cd6a07136dba
Manifest05541d153774d5aeec3d971823823f6f948258da6b87e04e5bbf5aea1f22ae15

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
SignaturefhCo7cOgF4xQPavE1xwpJFDCIatLDVf5dhILw8nWUofAPJwahqYq3CpxzAchZq2yAQKb3hARVrOABTLKDovzDA==
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

2026-09-17T12:00:07.365282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018273
observed 857a6e4e0ed4438de8e64cee2235b532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.341021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018273/manifest.json
observed 05541d153774d5aeec3d971823823f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.313934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018273/publication.md
observed ece38618150674f7ff0998ef5f7f89a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.278827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018273/publication.txt
observed b2338190315b1d586e2ea3731a1d47ee...
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.