OpenTechnical

OT-2026-000091026

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091026) never changes.

Identity and time

Publication numberOT-2026-000091026 · never reused
Internal UUID01a0ae9c-c012-7821-867e-9e697528b45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091026
StatusPUBLIC

Content hashes

Canonical text2d1aed10e997927d5a5052eeac6ebef4d337ee7bf82f6617bb028bc5cee4609d
Markdowneeb1b59a367b6db266edc68f00937f9e822743f142eecbb0a256cbfb33c59f09
PDF
Publication pageb94fb3e5741919a1dc4e6a50028b2e3bb7c7437cb11424e13335d30d15cc1364
Manifest82bab5c870f6575642a072be177e6c7cafe80367bb340ee122e57d61cbbbf82d

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
SignaturemI5YM4jPmOmX8jZG/D0yRIDmMMkX/yGlDCny67kxGlLU+71IL+KRkm2XSeXf/4Oz7+BfeNqSQXO0cCPeBXidCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:16.090715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091026
observed b94fb3e5741919a1dc4e6a50028b2e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.072766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091026/manifest.json
observed 82bab5c870f6575642a072be177e6c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.053107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091026/publication.md
observed eeb1b59a367b6db266edc68f00937f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.033792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091026/publication.txt
observed 2d1aed10e997927d5a5052eeac6ebef4...
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.