OpenTechnical

OT-2026-000067533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067533) never changes.

Identity and time

Publication numberOT-2026-000067533 · never reused
Internal UUID01a0ae8f-6bda-701a-bc0f-326432d484af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067533
StatusPUBLIC

Content hashes

Canonical text382b6885406fea57c771817c09778bae609ba780ec20599d4f32b67621fa2fac
Markdown439df579af437ddc6ae02ac55cbb9d944323dffbe2aa9d866675c4788826056c
PDF
Publication page9f90d7b44330a493b51bcf06c7a874d93a7bb0a49e7829a9b19968c48a619941
Manifest2f102e7ce579922d309c4470a0c36683306e0ab04eb00530109b97095f45892c

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
SignatureuipLwsuPQXrQZ5+GImtUOSXjmYbMOwbQO5lxMtlBuZ+x4DeBn7Ua16++qad6KA3fQNFNmdARN0toAQDysHq3BQ==
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

2026-09-17T10:31:50.164533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067533
observed 9f90d7b44330a493b51bcf06c7a874d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.147318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067533/manifest.json
observed 2f102e7ce579922d309c4470a0c36683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.129704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067533/publication.md
observed 439df579af437ddc6ae02ac55cbb9d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.111664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067533/publication.txt
observed 382b6885406fea57c771817c09778bae...
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.