OpenTechnical

OT-2026-000092926

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000092926) never changes.

Identity and time

Publication numberOT-2026-000092926 · never reused
Internal UUID01a0ae9e-090f-74e7-8e14-8f1d9ca19df9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092926
StatusPUBLIC

Content hashes

Canonical text490ffd912174cbd3490aab32ccd0a5a8db01bb9c7859aa1fc105d75a2e1359ce
Markdownbe636643ff7a2e1e5ad0a814afef3aeaceb8cd7a4110097533603afc63148f6d
PDF
Publication page2d452a0526cf7e193425ffd621a114fca424ec6b23745dd0056fbe1d3600c590
Manifestccc61772d89791b360c859e7052438882377b0ca9c1d5ed0927e21c8b3895bfa

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
SignatureQhyPrkV1ic3pyGKjTaDMpB/Mtb0to6dQD7pM+6kmhZEwPeQLEYZe/t+CGeQjPXy7oDzcaShhuD+rlD28l6unAA==
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

2026-09-17T09:39:58.324029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092926
observed 2d452a0526cf7e193425ffd621a114fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.306050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092926/manifest.json
observed ccc61772d89791b360c859e705243888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.287088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092926/publication.md
observed be636643ff7a2e1e5ad0a814afef3aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.270134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092926/publication.txt
observed 490ffd912174cbd3490aab32ccd0a5a8...
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.