OpenTechnical

OT-2026-000032387

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000032387) never changes.

Identity and time

Publication numberOT-2026-000032387 · never reused
Internal UUID01a0ae75-106e-7b9c-af80-527400930835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032387
StatusPUBLIC

Content hashes

Canonical text39def4ba589fd8633f1b5ed79ec7c96ed9e57599690378ee81025bedddbbd154
Markdown48acf89d81cd32a9f43780b4319ef0353364da46aa4f3e7555d9b480dad2751a
PDF
Publication page448af022e1070bc12f21ee5d5df54d8a7d82024ed71daa1ad6526f12a8b04a67
Manifest9a521d87e079173587e759b7e21c127871bdf247c8d676bec0e780649ec10a51

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
SignatureXu3XwXgFoBAWUcOQU6/s7Qg6MU3Kp3g9kDAI2FDVH+LNNJ6p2Y/JG50dEhQGM8ssGWeLwgWI05tHXqqeGnzTBw==
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

2026-09-17T11:33:47.766489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032387
observed 448af022e1070bc12f21ee5d5df54d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.748685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032387/manifest.json
observed 9a521d87e079173587e759b7e21c1278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.730836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032387/publication.md
observed 48acf89d81cd32a9f43780b4319ef035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.711695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032387/publication.txt
observed 39def4ba589fd8633f1b5ed79ec7c96e...
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.