OpenTechnical

OT-2026-000042192

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000042192) never changes.

Identity and time

Publication numberOT-2026-000042192 · never reused
Internal UUID01a0ae7a-5d72-7524-9cbb-066c60fe4904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042192
StatusPUBLIC

Content hashes

Canonical textf20496643b054dd7ef4672aa0cdf40fd6f8ccfdc3f89e318181e3b9730ee7298
Markdown8246aebf02a59617ed51f55cdf2a92ab6a6db8a07af64bc26f60d84a702a2039
PDF
Publication page2323cda79b928b18681d9badaf1e3030abf57e349fa94ea61a43c3fe2022e2c0
Manifeste9be664f1320122b537eb384062756c0cba06ab358eecfbfc48b9a67037ec668

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
Signature58FM6maENdlzM2TKhtMno2igrag0D5ZRCnYFcgpcVU9AlK0sVIf4RTPOiLu+c7SXEdo2c6gyckn8iaMJGN7nAg==
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

2026-09-17T11:15:51.383083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042192
observed 2323cda79b928b18681d9badaf1e3030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.364065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042192/manifest.json
observed e9be664f1320122b537eb384062756c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.343758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042192/publication.md
observed 8246aebf02a59617ed51f55cdf2a92ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.323418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042192/publication.txt
observed f20496643b054dd7ef4672aa0cdf40fd...
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.