OpenTechnical

OT-2026-000066503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066503) never changes.

Identity and time

Publication numberOT-2026-000066503 · never reused
Internal UUID01a0ae8e-ce41-7dc3-8ad9-a9612119ceae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066503
StatusPUBLIC

Content hashes

Canonical textbee6e777fa06014eb83f8109f4ef15c11d62114a1239f831ab6f458ee968c8cd
Markdown98b006e8f4622ab4d02c2359341d6ba5b6946d6147d3d2e771738b3fa0d4e076
PDF
Publication page05022660ac83a35b81f0023654b91fb9fab1ff9dfe5291e55e4b86b8a12ad2ef
Manifest42f499b44721badd5edbe1ea0074e394d0152b4652217d0a221258b3d985eeee

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
Signaturex0iBnoMENaPYv/GATIB1xD5cFjz98S1fs+bcbnJEpnyzEQPIq6Je4oOpnc21kIUKP36ou410Da80KK8FJ7J8Bg==
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

2026-09-17T10:32:45.672969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066503
observed 05022660ac83a35b81f0023654b91fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.655020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066503/manifest.json
observed 42f499b44721badd5edbe1ea0074e394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.638904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066503/publication.md
observed 98b006e8f4622ab4d02c2359341d6ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.622465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066503/publication.txt
observed bee6e777fa06014eb83f8109f4ef15c1...
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.