OpenTechnical

OT-2026-000084600

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084600) never changes.

Identity and time

Publication numberOT-2026-000084600 · never reused
Internal UUID01a0ae98-e25b-73be-8a7a-759191e83561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084600
StatusPUBLIC

Content hashes

Canonical textab3c8612bf7d521784cd76e6c35643f5cf5824b417be61d8aecfcdba9b2bbaba
Markdown59db41107fac0e0154d215a22a47518007ad970d17ea0170fd31accb2d8ba2fa
PDF
Publication page9250404afb915fd9d30de584a7600270dc567f3fdb502f6f168a7ce66b1449cc
Manifest9cc69c453bd48c189a3be6c6bc32ac226658489e9e378cc4622d527fa1d59fbc

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
SignaturelSAGsn15ddWMgS1oGrh2i56MKgFdoxeEnvjt0+c+tzUmzvz1TYoYlGlJt/E/poT2Ye2zNvMDG9MS3uBH/RIDBA==
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

2026-09-17T09:55:30.377263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084600
observed 9250404afb915fd9d30de584a7600270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.358934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084600/manifest.json
observed 9cc69c453bd48c189a3be6c6bc32ac22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.340581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084600/publication.md
observed 59db41107fac0e0154d215a22a475180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.322614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084600/publication.txt
observed ab3c8612bf7d521784cd76e6c35643f5...
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.