OpenTechnical

OT-2026-000099804

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000099804) never changes.

Identity and time

Publication numberOT-2026-000099804 · never reused
Internal UUID01a0aea2-c978-7560-acfc-e44f197fd76a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099804
StatusPUBLIC

Content hashes

Canonical text0826f60a6c8b690605752d05ed7872a80b0e57013799e9f39db7bd6220a64c71
Markdown62354be03cc80160fd3b613e12192c2b81fa8baae5763b306eb4c594d2766fea
PDF
Publication page8aa71c129a5680a0173cc6636ea440e14c9d7bc0e0e423eda11c0c19830185ef
Manifest5f3f307dcef60252603eb085123c8c670fc2221602bf11e3b6366ac32d11aea3

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
SignatureMM62iBNOhRtDOZ09ks6QCnCqT1rmgaW3vtGb/0wFybsP7VBJtuJqKI6KeYpVJNGyBIFuOw0ufGABc9ldqZu9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:50.542069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099804
observed 8aa71c129a5680a0173cc6636ea440e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.526083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099804/manifest.json
observed 5f3f307dcef60252603eb085123c8c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.509441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099804/publication.md
observed 62354be03cc80160fd3b613e12192c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.492769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099804/publication.txt
observed 0826f60a6c8b690605752d05ed7872a8...
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.