OpenTechnical

OT-2026-000015321

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000015321) never changes.

Identity and time

Publication numberOT-2026-000015321 · never reused
Internal UUID01a0ae6d-ef49-7603-be2c-16f636f23361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015321
StatusPUBLIC

Content hashes

Canonical text8e2c0c2829754802a6b45c7a375348cfa2922830d893a5a00376b3199746d4b3
Markdown65af208a5bbdfbef48a4b388c36bf117c09bb6cd5ae56f8c59f9b24447ba0c6c
PDF
Publication page888732388a17fe8e8466da777aae8e2bea675a882514a0da28a46d5b00858a78
Manifestca63a55456b7f35708a1c7a7e2c1a098ed344cfcae3fbea092825f2ed76c3732

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
SignaturePnVTKDzf0EVZ3imKNzWH6LCp3JoP3L07Md8kVnPATch8IXJETAtUo0YLJLc6kh9rFLCUabRbkLBDWbhKKg9TDQ==
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

2026-09-17T12:06:01.050754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015321
observed 888732388a17fe8e8466da777aae8e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.033415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015321/manifest.json
observed ca63a55456b7f35708a1c7a7e2c1a098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.016206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015321/publication.md
observed 65af208a5bbdfbef48a4b388c36bf117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.997755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015321/publication.txt
observed 8e2c0c2829754802a6b45c7a375348cf...
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.