OpenTechnical

OT-2026-000017307

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017307) never changes.

Identity and time

Publication numberOT-2026-000017307 · never reused
Internal UUID01a0ae6e-76c8-708a-872d-dd196b7f3b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017307
StatusPUBLIC

Content hashes

Canonical textb48c84251c2e0178e51f81ae5014b7c73cfb812b7c9594ad5c8f4e6420d7afb9
Markdown548fdb2cfc8ae20bc1eb7ad6e0a016ebcfe950e71fee434d524234cb92aa26f6
PDF
Publication page15c2ed3fcf85a7d36e1e0f4e7e16e6ce7f83c2e4e4f6c295274dcbbdf71a2ade
Manifest905b540e80782ea9be63717d6a658bb323f076dffc615843f44ddb7a08ad4c51

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
SignatureCtnVOs6WFANuXZU8F3BSAIJyKe3EHVK1BcyjHTk7CYldicivHyvR5bxnB9W28Zehwzi4Wq7TO6N8VXj6VL90Ag==
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

2026-09-17T12:02:24.560886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017307
observed 15c2ed3fcf85a7d36e1e0f4e7e16e6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.545488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017307/manifest.json
observed 905b540e80782ea9be63717d6a658bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.528517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017307/publication.md
observed 548fdb2cfc8ae20bc1eb7ad6e0a016eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.512589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017307/publication.txt
observed b48c84251c2e0178e51f81ae5014b7c7...
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.