OpenTechnical

OT-2026-000025734

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000025734) never changes.

Identity and time

Publication numberOT-2026-000025734 · never reused
Internal UUID01a0ae71-9bca-7761-8280-eeec7f897bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025734
StatusPUBLIC

Content hashes

Canonical textf5eed7683a92bd51f258d4688ec0245434716603c2a02bb6658337c2cc8eb55b
Markdownaf08a60d9d16f3903bce5d10f2b50be5f5ea3e95c02959f7ed5d5cba2a7496bb
PDF
Publication page90985497322f1426c63bc26825010fb2a01c295a16e27d3d598a982d1a3fc469
Manifest429c829459c2fe016459c7bb585deb7233cdb50eeec48694fd99db465047aa8f

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
SignatureUZUxPCvqtlcul9Ejcu9QgztposqshJcuf4LapAXmbyoAXGF3l8XDph2VI5Ssa1OgO2Pe3GlN/JzswGKDCGSzBw==
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

2026-09-17T11:46:57.366398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025734
observed 90985497322f1426c63bc26825010fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.347495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025734/manifest.json
observed 429c829459c2fe016459c7bb585deb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.328663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025734/publication.md
observed af08a60d9d16f3903bce5d10f2b50be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.311418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025734/publication.txt
observed f5eed7683a92bd51f258d4688ec02454...
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.