OpenTechnical

OT-2026-000064733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064733) never changes.

Identity and time

Publication numberOT-2026-000064733 · never reused
Internal UUID01a0ae8d-deba-7bd4-a60a-9ce373f386a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064733
StatusPUBLIC

Content hashes

Canonical textcb8f1182ce3d0c40866d5714f325b56a600531258bc540096de1a6cf12a68fd6
Markdowna23ba7e6c0fbe70be127ef20f5efb8c70c07a26a9bc233701ed07b65a3208fd4
PDF
Publication page614b1bb704536d6e4619d4dfcc7e8de9a24b6eda8c2879c243e8cd5079d20377
Manifest9e4df346cf78f0128ffc5132dec514e91fbccd89a1d807e1621cb4e451fade1b

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
SignatureH0mTjnOPIdaKg9XWPk6YhB1cqyvy8/+RakQdMDTcXT/aLKgrlWcZCjkaw8ywT+9AoivPh8kzW6QtJ4qJibDeBw==
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

2026-09-17T10:35:36.697513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064733
observed 614b1bb704536d6e4619d4dfcc7e8de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.680531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064733/manifest.json
observed 9e4df346cf78f0128ffc5132dec514e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.662746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064733/publication.md
observed a23ba7e6c0fbe70be127ef20f5efb8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.638863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064733/publication.txt
observed cb8f1182ce3d0c40866d5714f325b56a...
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.