OpenTechnical

OT-2026-000091285

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000091285) never changes.

Identity and time

Publication numberOT-2026-000091285 · never reused
Internal UUID01a0ae9c-f16c-7f3d-a866-42bc847791c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091285
StatusPUBLIC

Content hashes

Canonical text786d66e0eacd5b27c22e6cf9b19639fd7da8d1a060afae2beea9793be342681b
Markdowncc9433df93a531ceb68f5ef1da6f53126885e3f4a1cb7e9bd8dbce4e5fe95694
PDF
Publication page0848b2868bf49f4b1299f4eb0a96f153208b0b5a71bca08a45bf94ce8f82671d
Manifest541e816b77729c65188a36fa8d69ac97c0bb9538deea600143c92756083263cf

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
SignatureUAe5V83+RPksY/FFlLm4wN+nplbEs6wn1ryZ1dbPR7phPWEeoVJqYonJ20a9mkT7QfWYeqTElQzyOieTNKQ2Dg==
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

2026-09-17T09:43:28.471791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091285
observed 0848b2868bf49f4b1299f4eb0a96f153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.454968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091285/manifest.json
observed 541e816b77729c65188a36fa8d69ac97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.437431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091285/publication.md
observed cc9433df93a531ceb68f5ef1da6f5312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.419562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091285/publication.txt
observed 786d66e0eacd5b27c22e6cf9b19639fd...
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.