OpenTechnical

OT-2026-000090209

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090209) never changes.

Identity and time

Publication numberOT-2026-000090209 · never reused
Internal UUID01a0ae9c-428f-731b-b22a-a3184a970eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090209
StatusPUBLIC

Content hashes

Canonical textd6e086d71150b9c95e81924b2d2f241400f609d0d457d6fda0ae1db26b927499
Markdown8618d2c17eec2fbe1aa97ab5535fb8910d5ad481b53760d7fbf9541c0b8beb06
PDF
Publication page65b4a2c9cbab75afee83da0b11ad904947edb9427b8b1d3fb948dabf8beb63f5
Manifeste658285c3faf246009b974be4dbe8bd5a5db2595676e8f44f2ceaf1a2e5dd45a

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
SignaturebwkqC349v5d7Z10+KGpzC42OS0f2EyMvG3jvdpEIvDee6wto0pqXNu9wBw0rDKg+xYXvVApwkHxt7A4FaiI8Ag==
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

2026-09-17T09:46:17.015057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090209
observed 65b4a2c9cbab75afee83da0b11ad9049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.996296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090209/manifest.json
observed e658285c3faf246009b974be4dbe8bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.977218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090209/publication.md
observed 8618d2c17eec2fbe1aa97ab5535fb891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.958354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090209/publication.txt
observed d6e086d71150b9c95e81924b2d2f2414...
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.