OpenTechnical

OT-2026-000025941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025941) never changes.

Identity and time

Publication numberOT-2026-000025941 · never reused
Internal UUID01a0ae71-a83f-7750-9f9f-659a36cd226d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025941
StatusPUBLIC

Content hashes

Canonical text346ceb916edb120891210f4d271db6073a20dfdef8943aa45869792dcbe8ccd6
Markdowna425be0f82f6a69af733c56c153ffe60f3f7ad5da3c863d8420cad3d9cebcca4
PDF
Publication pageaa60884e81b6da6832a728c31f0e6f8080c16f59da1a322a2709f281a167c63f
Manifeste048d40bbf3fc20a0c638915b0ec2821322a75eaae06721fbca9961ae28a7658

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
Signaturew4AtZVMrlSItTML1JB0/5j4JaTpzJw9xUqeZ/rhWe2YbzPUdjos/6Nrco/20eSWiU6Xg0URueNTLWQZIv6GDDg==
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

2026-09-17T11:46:18.339061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025941
observed aa60884e81b6da6832a728c31f0e6f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.321269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025941/manifest.json
observed e048d40bbf3fc20a0c638915b0ec2821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.303602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025941/publication.md
observed a425be0f82f6a69af733c56c153ffe60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.285682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025941/publication.txt
observed 346ceb916edb120891210f4d271db607...
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.