OpenTechnical

OT-2026-000095802

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095802) never changes.

Identity and time

Publication numberOT-2026-000095802 · never reused
Internal UUID01a0ae9f-fac6-7209-b505-a64268217a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095802
StatusPUBLIC

Content hashes

Canonical textd52e72ec21ab50e634c658a1c68d07c3e285dab17d3db6258aaf79da33190953
Markdown5842368fec6625bf068cb12d4ec9d0f4ffe188b743c8381726900642ac8ebef4
PDF
Publication page918aa0b1809edf07d1261521b0048d389febdad9c2c82999854074b5dbcb76fd
Manifesta451f858e97045d8df8c134f07a53b57f0a0c47072a5157291a98cba1ebc0fff

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
SignaturewwEuKp2VI1CoPpm+DMPQPiU7CpQTQNCgzV4dbZfd43xDfJ5P+oY8TZdfKZsvAS1XG5WflNllmeYsOT3rCdQ8Bw==
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

2026-09-17T09:35:52.591116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095802
observed 918aa0b1809edf07d1261521b0048d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.574623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095802/manifest.json
observed a451f858e97045d8df8c134f07a53b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.556266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095802/publication.md
observed 5842368fec6625bf068cb12d4ec9d0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.538417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095802/publication.txt
observed d52e72ec21ab50e634c658a1c68d07c3...
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.