OpenTechnical

OT-2026-000097807

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump 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-2026-000097807) never changes.

Identity and time

Publication numberOT-2026-000097807 · never reused
Internal UUID01a0aea1-92f6-780f-871f-c638d9ac45c9 · 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-2026-000097807
StatusPUBLIC

Content hashes

Canonical textc41322182457d944796d94c818f118d27fb501cfe911eadec9a287885bfc50db
Markdown041f6371c6b6bc396e3d225009b1a639dc0108704047bd654a97903163353b6f
PDF
Publication page59cf7189d7b60e4e45a219179a58eced6ddd0e57369a1fd9617fed91ed8d4112
Manifest91b8794b21fe018ef0334abed9a7f3d8fcd43c52ebc91d03abf74de0e3040561

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
Signaturel5JM0DMh+wOTxExHBf6qS8/+vh15Ij0ihSUvj23ClM37lVzeQluuATaFzP7RjVtyV3/m4QmKkvUSP1Q7fbueCQ==
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

2026-09-17T09:32:53.623332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097807
observed 59cf7189d7b60e4e45a219179a58eced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.604045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097807/manifest.json
observed 91b8794b21fe018ef0334abed9a7f3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.584789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097807/publication.md
observed 041f6371c6b6bc396e3d225009b1a639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.566503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097807/publication.txt
observed c41322182457d944796d94c818f118d2...
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.