OpenTechnical

OT-2026-000032487

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000032487) never changes.

Identity and time

Publication numberOT-2026-000032487 · never reused
Internal UUID01a0ae75-106f-7dd4-81ce-27532b748bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032487
StatusPUBLIC

Content hashes

Canonical text5f6b00d40fb82ff84488a73dda57435a4fcbc579c81b8d95fd987f10ac37eaef
Markdownbb6a00cf0ec38e90f1b91df72a6bf77fe20d99a66e50c5059200f2a3b530e55e
PDF
Publication page825afa80c4b995ba98b1733e60e997119ca6019023a172e80cf54b568f502507
Manifest4b127a6b513880da0ad4d7e30875181b496ef2fe8b2c3215eab0deea2fc8674f

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
SignatureWRaynbaO5HenAiJyR1Fr39tXwI4ilQeOGU7xewYOrR4vEjaTUQ7pZOc0gOatVvNsFkdJPOTHERceBdr67Iv7Bg==
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

2026-09-17T11:33:55.486679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032487
observed 825afa80c4b995ba98b1733e60e99711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.470649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032487/manifest.json
observed 4b127a6b513880da0ad4d7e30875181b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.452973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032487/publication.md
observed bb6a00cf0ec38e90f1b91df72a6bf77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.433495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032487/publication.txt
observed 5f6b00d40fb82ff84488a73dda57435a...
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.