OpenTechnical

OT-2026-000025113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000025113) never changes.

Identity and time

Publication numberOT-2026-000025113 · never reused
Internal UUID01a0ae71-5fa5-77be-9c33-9df9522ac929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025113
StatusPUBLIC

Content hashes

Canonical textf8d8753e5ebb5662cdc6c10b3bbf82daf3767d820f680061a608643877e9da46
Markdown02683dd976f787690276b0815665be4ea455b9ee2d9fd068d3efe356e4bc323e
PDF
Publication page39f38ffff74874861d8aab411cf744cfbcf242a8d6c31af0f84fa98c177a61d4
Manifest2ab559ca4c4262eeb745239f3d56be0f89acd5d8f4b0bb1eb1c56a2ea7105b7f

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
SignaturemZEk3QgO6ZTr0oTVA41C6tyPzBQU9JC8N6l70+/A0say08DG3laCRgsl2I2Shrj7kZRA1EIGkLB9Ww4b0gzMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:59.260523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025113
observed 39f38ffff74874861d8aab411cf744cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.235132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025113/manifest.json
observed 2ab559ca4c4262eeb745239f3d56be0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.218225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025113/publication.md
observed 02683dd976f787690276b0815665be4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.199789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025113/publication.txt
observed f8d8753e5ebb5662cdc6c10b3bbf82da...
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.