OpenTechnical

OT-2026-000045053

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045053) never changes.

Identity and time

Publication numberOT-2026-000045053 · never reused
Internal UUID01a0ae7c-f768-7ebe-9be6-6d34ff45cad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045053
StatusPUBLIC

Content hashes

Canonical text7afcfe3d65241a26f8f0771931bcd94275ce22910873b4abac78facbae6dd884
Markdown8dfd80dbc9762fc83daaf54ee1428781f57c50181d93fb7633b50d511e51a4a8
PDF
Publication pagebadebaaea84bfb612517766dd0edd5089d4f545578c97cdd6ae3ae6911526c15
Manifestd6f694d7b1d628779077a4f39ed2c1a50429e3c6fe97b1c9e5b7d2e4790c5c0a

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
SignatureqnTF+RidW4MWtokVOeKHZT5kA/PU9UgeC+aDIL/NBvtgWgHPcQRsrn6adkomjJPHYOEgzw5EmRc6Fw0U8+kaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:04.624891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045053
observed badebaaea84bfb612517766dd0edd508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.604509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045053/manifest.json
observed d6f694d7b1d628779077a4f39ed2c1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.583931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045053/publication.md
observed 8dfd80dbc9762fc83daaf54ee1428781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.563825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045053/publication.txt
observed 7afcfe3d65241a26f8f0771931bcd942...
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.