OpenTechnical

OT-2026-000019445

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000019445) never changes.

Identity and time

Publication numberOT-2026-000019445 · never reused
Internal UUID01a0ae6e-f393-710b-b333-822e4353a56c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019445
StatusPUBLIC

Content hashes

Canonical text41b2547bb0b164fda7bccbcca45cef773293844c875e174ad602fb247469054c
Markdownd573586631d12ee7b9250605c79db2838a4f9bda4404e89e00f698a644d50269
PDF
Publication page82cb43c5d46b65b32d19565dd5abd40071b0ae95c755d9f7daefb6cbbe599dbf
Manifestbb387bed118322318545fac00403eadf49a29f9e30f6b6a57b40d86d988e1f8e

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
SignatureUXEh+/5NjKnwc89636WP1y19X7k78SOu4a5NAm3yNg1otdR8wyW+plB1A+0O2w3OdI4g3/L380Mc/GKwxSLxAg==
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

2026-09-17T11:58:50.626014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019445
observed 82cb43c5d46b65b32d19565dd5abd400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.606188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019445/manifest.json
observed bb387bed118322318545fac00403eadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.587358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019445/publication.md
observed d573586631d12ee7b9250605c79db283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.568328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019445/publication.txt
observed 41b2547bb0b164fda7bccbcca45cef77...
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.