OpenTechnical

OT-2026-000074704

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074704) never changes.

Identity and time

Publication numberOT-2026-000074704 · never reused
Internal UUID01a0ae93-ac2b-798d-9544-07b8a6c5147c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074704
StatusPUBLIC

Content hashes

Canonical text891d06705c095ab8f514af844a5dc6af758c0bab36b017d5fdd4e18015184b25
Markdownca3d79caccfa2bf76a49ccf8ac5a368571b690897c4ece43db712ac894063a94
PDF
Publication pagebc480d630a6d1f1895949c85669e4f68e6f417c7637b96ce8dc71ac298174457
Manifestb561630d9df469a1dcd4ce0e3720667475e5b06691ff2c4f11f3d3b17ab4204f

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
SignatureMjfYWrVwU1XsE2cRMkaLK3bSLNPHoDnbCGlNI66gYoIkDAqsFRE46DBRK4nfE40OqT/V072hXVPpLa7Q5k+gDA==
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

2026-09-17T10:18:17.739509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074704
observed bc480d630a6d1f1895949c85669e4f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.722109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074704/manifest.json
observed b561630d9df469a1dcd4ce0e37206674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.704346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074704/publication.md
observed ca3d79caccfa2bf76a49ccf8ac5a3685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.685765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074704/publication.txt
observed 891d06705c095ab8f514af844a5dc6af...
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.