OpenTechnical

OT-2026-000025149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025149) never changes.

Identity and time

Publication numberOT-2026-000025149 · never reused
Internal UUID01a0ae71-5fa5-7b05-a1a8-9d76c5887a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025149
StatusPUBLIC

Content hashes

Canonical text9f947f1ee888162a80407cf183a0f6ddb5b9a99ee61be5427f6f22a9e72cc5d5
Markdown9f9a2275f5d494aade7a817ed2a9c08f2d58465b369bc49ba72f160b9c50d536
PDF
Publication page3beeee636bd0daf6121e1f3e3ffb7e82f1408a9932249052ad1e1f6b1ca8b8ed
Manifestc2c54b535684afffad790a344b6e869fc1c9300035d2ae6758ca6f90706a746f

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
SignatureV4EFXUEI4NlkUOtTg490hX96tleG5FKrvG6OGMwcKNggbK52Rw5GqxdlYyjI9TLUtWYUZ2z5V0ROUrddHd3rDQ==
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

2026-09-17T11:47:02.117148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025149
observed 3beeee636bd0daf6121e1f3e3ffb7e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.099520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025149/manifest.json
observed c2c54b535684afffad790a344b6e869f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.082533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025149/publication.md
observed 9f9a2275f5d494aade7a817ed2a9c08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.064844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025149/publication.txt
observed 9f947f1ee888162a80407cf183a0f6dd...
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.