OpenTechnical

OT-2026-000067131

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000067131) never changes.

Identity and time

Publication numberOT-2026-000067131 · never reused
Internal UUID01a0ae8f-14ff-74d0-8c70-3665dd434dc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067131
StatusPUBLIC

Content hashes

Canonical textb9897ce04cd5d43a5e4d3281f41b51ba251919a3072a33b85f9e7e480f006cb6
Markdown3dfdffb9c12e5ad96b28ed30cf83b8be9cba9582725137d4e56086a48de13740
PDF
Publication pagedaa6d3b332b0a702284ba8adcfdf965bc14ff3b7bd1368e765eb4d35666a7e4c
Manifestcdc52fdbb141ba3eed85c192a9979750bf848f64b205f7b33263586073905bac

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
SignatureUxk2n7FJVZ5fYFIshhRWAdRl8TyP4lyszr0FOPsS79T4wn+Qswgv3kv4B0rn0kWRus+5AN5S1b0nwult4tT6Cw==
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

2026-09-17T10:32:24.288518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067131
observed daa6d3b332b0a702284ba8adcfdf965b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.271127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067131/manifest.json
observed cdc52fdbb141ba3eed85c192a9979750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.253333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067131/publication.md
observed 3dfdffb9c12e5ad96b28ed30cf83b8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.235463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067131/publication.txt
observed b9897ce04cd5d43a5e4d3281f41b51ba...
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.