OpenTechnical

OT-2026-000080405

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000080405) never changes.

Identity and time

Publication numberOT-2026-000080405 · never reused
Internal UUID01a0ae96-7e78-7205-9551-15277bf1eee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080405
StatusPUBLIC

Content hashes

Canonical text69f263b1fd98feea77988be1f0365b865d2d423c58943155c3e069af7de2a87d
Markdownc565ff6a824e73b74a7adb641c728124972904a77d9ddf982843c3c382ff72e4
PDF
Publication page075dbef3985f9ab4e0353a1527ee7ece0086b581cfb51530bc79f5e3221580d3
Manifestfa3ee9266ec27946191bc02378e38693a3032c2b70bcd5ab70836ba992bb7842

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
SignatureWxbXf1YbFyqGl4tLvAVisxlhQ87nzzoCEmBTgj+KsMQ6v+VY4BwMRew/Lsfn7pjxD/G+hWQr0b4RRmRzgS1JAA==
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

2026-09-17T10:02:54.389740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080405
observed 075dbef3985f9ab4e0353a1527ee7ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.373476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080405/manifest.json
observed fa3ee9266ec27946191bc02378e38693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.357391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080405/publication.md
observed c565ff6a824e73b74a7adb641c728124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.340304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080405/publication.txt
observed 69f263b1fd98feea77988be1f0365b86...
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.