OpenTechnical

OT-2026-000005350

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, contact triggered

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-2026-000005350) never changes.

Identity and time

Publication numberOT-2026-000005350 · never reused
Internal UUID01a0a936-46b5-7eea-9cec-12a1e3e14bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:01.687926Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005350
StatusPUBLIC

Content hashes

Canonical text5d418da0c984d724057c4ea06f1e24f4a7194d7d72508a959215b11727aa9b10
Markdown83f2612bb323e4f1257b71d131ca1cae0fa0c8d4f13a2b060984a751f53472af
PDF
Publication pagec7a3c1f3e294870550ac92cac08336029b55780f228d52872aca582d63dcd189
Manifest5e19d65822f981f506404a877196090a64dc2c90e2c2de2a469686545cf025ed

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
SignatureOKQFPo82IxSJ6cNXksb/YsfXjjWHhOjehHBxbLvKHNIDAdQbKZGeJ5RkOm1fL2HJICsqptdj56wdsjBBXbSyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:19.652271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005350
observed c7a3c1f3e294870550ac92cac0833602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.637382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005350/manifest.json
observed 5e19d65822f981f506404a877196090a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.622121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005350/publication.md
observed 83f2612bb323e4f1257b71d131ca1cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.484769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005350/publication.txt
observed 5d418da0c984d724057c4ea06f1e24f4...
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.