OpenTechnical

OT-2026-000021240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021240) never changes.

Identity and time

Publication numberOT-2026-000021240 · never reused
Internal UUID01a0ae6f-865c-778e-9749-5cb634de841e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021240
StatusPUBLIC

Content hashes

Canonical textf16223c112a4c78440bc47e7f9e239e081b54280d60b589f0792e39c339c20a3
Markdownf56ba6e72a02cd65d5f2fc36b93bc2f9b86a31c9b2eca1aa706c9fa2c81cf750
PDF
Publication page92baaad16e096e9026bdf9f4b89ce5466e4558530414714eb471c57cf7617a3d
Manifest31bdf5b554b2517075dc87e289d0fa0712eb8c7058196883d7537746760cf7d2

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
Signaturef6mFdro55sUAZ6COVhqAkyngQDy/IZ8HZYYImMQ9TlfsIeqWRfDykFwCJvy0f4IldyFXNXabqNlXr0OXnZpMAQ==
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

2026-09-17T11:55:03.231122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021240
observed 92baaad16e096e9026bdf9f4b89ce546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.212936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021240/manifest.json
observed 31bdf5b554b2517075dc87e289d0fa07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.194694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021240/publication.md
observed f56ba6e72a02cd65d5f2fc36b93bc2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.174819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021240/publication.txt
observed f16223c112a4c78440bc47e7f9e239e0...
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.