OpenTechnical

OT-2026-000097694

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000097694) never changes.

Identity and time

Publication numberOT-2026-000097694 · never reused
Internal UUID01a0aea1-92f4-778d-959d-cdf2ba6b8b2d · 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-2026-000097694
StatusPUBLIC

Content hashes

Canonical textf01669bee242ddbd47827d70c4978e0552c3ffd5b313cab94e367b091f8dc907
Markdown11e90f392175532da81c24e356a8e0dcb49a3b19480927a08244a1d661d69d53
PDF
Publication page0d5365b367521bd3367558cb275cfa402251a8a829319d42da118f5c7ba64998
Manifestc21e54e72de078bd2ae9d5ede5a92da3ebf2e747d413fe3608482dd0f5442e57

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
SignatureotnvLN2QLeDWMO+QuQIg+Vguw4T/Mw9KyuuY4IAHqEctzITXDu1adJpsE89FzqHhjnW7GLiDj3cVCPhAch9zDA==
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

2026-09-17T09:32:43.062594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097694
observed 0d5365b367521bd3367558cb275cfa40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.046310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097694/manifest.json
observed c21e54e72de078bd2ae9d5ede5a92da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.029335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097694/publication.md
observed 11e90f392175532da81c24e356a8e0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.011462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097694/publication.txt
observed f01669bee242ddbd47827d70c4978e05...
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.