OpenTechnical

OT-2026-000047402

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000047402) never changes.

Identity and time

Publication numberOT-2026-000047402 · never reused
Internal UUID01a0ae7f-3e57-79c5-ada6-80d663a96dae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047402
StatusPUBLIC

Content hashes

Canonical text9b0fe0eb05ba5145252c5304bed48fb4c7967d55b0f5d1ae93c3a52d6a89c3ec
Markdownb8b84b891fb43e1b0d67fc91520750455c7b0a36cfc6dccc745e071ce1c96849
PDF
Publication page7a44745c3f20773905e78fff463af79171b9a55d946866c01f2933d65555e130
Manifest961238be6e708c3da95aa774b78c21c7a2c8fcdaf5f7fdf5758efb9098c67265

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
Signature7RPUOgUju7FRqcJeRoAQPxYKk8qMSW16rgV7CK56N7s9v3KIY8Hxpcs6ft6C/EA5GYM9+TFRF3SNuMyagxV8CQ==
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

2026-09-17T11:06:24.916847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047402
observed 7a44745c3f20773905e78fff463af791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.899885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047402/manifest.json
observed 961238be6e708c3da95aa774b78c21c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.883625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047402/publication.md
observed b8b84b891fb43e1b0d67fc9152075045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.867387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047402/publication.txt
observed 9b0fe0eb05ba5145252c5304bed48fb4...
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.