OpenTechnical

OT-2026-000042304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000042304) never changes.

Identity and time

Publication numberOT-2026-000042304 · never reused
Internal UUID01a0ae7a-5d73-7f3c-9b82-3a8e8fd6f8cf · 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-2026-000042304
StatusPUBLIC

Content hashes

Canonical texte1fd04ba66d8c504ec81ccaba8f99a47512a40da495938ab1aecf3abf7679e4e
Markdown92b7cc7f0124d989069bbd0cf889a9ef03bbd91970136b2f18b2551295529307
PDF
Publication page8eff8e4db9cf74efd59e902998d78bfbe4659c3b5b8774d23a3c13ba4db52a34
Manifest95e679474106f91ff0a7cae93003292f370d9b0749552223a94a3108bda151ed

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
SignaturevOQqGuhZG98q/1uuW5+fQxWeetHZuO1bm3wYAsDa8FXJD/LEpuUgvYOlHAAckadq8jMBPvpZXc8lzFVt+hIDBQ==
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

2026-09-17T11:16:00.218524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042304
observed 8eff8e4db9cf74efd59e902998d78bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.201291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042304/manifest.json
observed 95e679474106f91ff0a7cae93003292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.184658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042304/publication.md
observed 92b7cc7f0124d989069bbd0cf889a9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.166896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042304/publication.txt
observed e1fd04ba66d8c504ec81ccaba8f99a47...
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.