OpenTechnical

OT-2026-000091251

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091251) never changes.

Identity and time

Publication numberOT-2026-000091251 · never reused
Internal UUID01a0ae9c-f16c-783f-bd33-efb240cb022a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091251
StatusPUBLIC

Content hashes

Canonical text7e4382db3d7da7e9200fad19044b76ec76f2f40fe7e9226a74edde904126cc6a
Markdown5afe67bc480a7c26e5365b147908e0661c760baca90556b3a6d7d017ff7ae455
PDF
Publication pageeb46582496552254f74f41fc97f60c7bda45ba71a85325c8e268929e9fc24349
Manifestdd653340361bfb53736594018902a06eac6bde21954443cfcb337d6a38a24ea2

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
Signature6BYY427p2Sij9S8R4rMf7P6PLePXZyH0s6DgkWE9ru1XE5iG04NtjBs7uOx3PaOcti0Ik4KuZJ2PWUVxdUvPCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:25.658159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091251
observed eb46582496552254f74f41fc97f60c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.641125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091251/manifest.json
observed dd653340361bfb53736594018902a06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.622588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091251/publication.md
observed 5afe67bc480a7c26e5365b147908e066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.585700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091251/publication.txt
observed 7e4382db3d7da7e9200fad19044b76ec...
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.