OpenTechnical

OT-2026-000044957

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044957) never changes.

Identity and time

Publication numberOT-2026-000044957 · never reused
Internal UUID01a0ae7c-911c-7f17-8dbc-7ebf8a5879f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044957
StatusPUBLIC

Content hashes

Canonical text88d45dd05b579c7fb2a4e73bebe303c5c3f137fbc58fa216b8062166193d60a7
Markdown83be95240b03ac6242c9995832167a191985627af0bb917f6a50de339596c996
PDF
Publication page553092814ed84404474cfd0e8f6d4c5b61ea231397cbbf2e6ae8c90e72c49c18
Manifestef4e7137efad2616a077bccfdd43e372eccd1c15c6ea2188bd6466ae15786b25

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
SignatureMY5BcDRHRMJrKDEfxjjjQxV25G/QFuD+Eu6493GDDzU8Y3XxA07yLalNOB+EDB4KIoW2Jd8KDHxMn3ecZj/tBQ==
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

2026-09-17T11:11:38.460426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044957
observed 553092814ed84404474cfd0e8f6d4c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.439162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044957/manifest.json
observed ef4e7137efad2616a077bccfdd43e372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.418313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044957/publication.md
observed 83be95240b03ac6242c9995832167a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.399966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044957/publication.txt
observed 88d45dd05b579c7fb2a4e73bebe303c5...
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.