OpenTechnical

OT-2026-000097774

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000097774) never changes.

Identity and time

Publication numberOT-2026-000097774 · never reused
Internal UUID01a0aea1-92f5-7fa3-98c8-4a6cda65cc6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097774
StatusPUBLIC

Content hashes

Canonical text68b90e0184ddb9aec808cf0901d8f99c9a68a30185555622b683558ef2f78cb0
Markdownec237ee0f10c8907d08ea7fd085c9b8312c54e1e69aeefb78132df9fd1d5f590
PDF
Publication page06bfd7462cf00160dab0fb5f2965bcba4538317a917aee736535768bd159e368
Manifest77f64b49fc0a79e931ba5a97e1cd87c0598ab129df62ca3ba9afc8b13b701e68

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
SignaturedHfFi7SStVRZaPrLtbzTD6CFHY/IKkSBNPMHAwHb2VHhchHMJDxM7vMlK6FUakeF+J0UM3glzNTSkOpcsKVtCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:51.104617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097774
observed 06bfd7462cf00160dab0fb5f2965bcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.086455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097774/manifest.json
observed 77f64b49fc0a79e931ba5a97e1cd87c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.067510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097774/publication.md
observed ec237ee0f10c8907d08ea7fd085c9b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.049185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097774/publication.txt
observed 68b90e0184ddb9aec808cf0901d8f99c...
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.