OpenTechnical

OT-2026-000036915

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000036915) never changes.

Identity and time

Publication numberOT-2026-000036915 · never reused
Internal UUID01a0ae77-773f-7e57-b6a9-951da1d7dc25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036915
StatusPUBLIC

Content hashes

Canonical textf0834e071103ea00dda85e0ba8353fb1b72d4bf098bc8df90e3f27ca17f70d01
Markdown96663d28fb539e86be5f15a3959a9a0406de82b7fb64856ce77d3fb10db8d5be
PDF
Publication pagee745e8b3e58cfedcec917ef57b20c9e5db4ad4e24e46bce50ce81772a128f58d
Manifestf1d43cd968129485be18f02be686473222a43174491bfa4afe9c774bd16be86a

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
SignatureYOxmo/CLKsGB3cYtJP5qaxr0I/H4cmH1FhdykylB4NYETt/itlMBHPhvSkEVCOlU8SQYTbi4ZhAUROr0K4O0Cg==
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

2026-09-17T11:24:33.413494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036915
observed e745e8b3e58cfedcec917ef57b20c9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:33.396089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036915/manifest.json
observed f1d43cd968129485be18f02be6864732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:33.379421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036915/publication.md
observed 96663d28fb539e86be5f15a3959a9a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:33.362342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036915/publication.txt
observed f0834e071103ea00dda85e0ba8353fb1...
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.