OpenTechnical

OT-2026-000020201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000020201) never changes.

Identity and time

Publication numberOT-2026-000020201 · never reused
Internal UUID01a0ae6f-4379-7641-a253-7ae7231a9b82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020201
StatusPUBLIC

Content hashes

Canonical text78c94b0ae222f7ede5c3678063834cd0b44b220d5a79d4a8f1e4ca92089acc50
Markdown1e9db8fd0725ae257c5e02b8871f0fddaf6cb186e292a0789e4e8aebb10d7c86
PDF
Publication page39b879f97414186f22ce3a8f8c2c3dd32949ab1c1a0f889a9246ee12118a8c65
Manifest52c4421593e47ea09bff76361cdded8c74de04c893c263b8e793fe39c7c52fe7

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
Signature+fqwL/ZsemqmihNmGY/hjNR1frtm7z9hZrQexj+sh9Cwpv2V33jrETtgo81gw0D6WFOR65Th7gPg1XNZfaj0Bw==
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

2026-09-17T11:56:32.083016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020201
observed 39b879f97414186f22ce3a8f8c2c3dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.064038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020201/manifest.json
observed 52c4421593e47ea09bff76361cdded8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.047021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020201/publication.md
observed 1e9db8fd0725ae257c5e02b8871f0fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.028614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020201/publication.txt
observed 78c94b0ae222f7ede5c3678063834cd0...
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.