OpenTechnical

OT-2026-000011433

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000011433) never changes.

Identity and time

Publication numberOT-2026-000011433 · never reused
Internal UUID01a0ae6c-88fe-778d-8b5e-08c334ea7931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011433
StatusPUBLIC

Content hashes

Canonical textad79457a0f791e48426bff6c6dbd8f4ff8e008125302063b7ed11704b6351b52
Markdownede512136aa994c7d0a0d6aaf8dd9c93901a130491dfc4de166074f2c0146e12
PDF
Publication page13cdf6c00dbff0344b193fd68838114ba958b8913e6c9fb6109a7e0060a3b53f
Manifestf193d2a3a68c40f2269acda50db39a7426c35e0e6da5a6e27d71aab52e511d6f

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
SignatureExJ0GpSZHNDXUVHEb25XCN3szqdMuuLusF2TnlMFaPBUFnL/GYTQtC7leXMSJOluAu66maBvYtpqsfmK/4YzBg==
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

2026-09-17T12:13:11.428722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011433
observed 13cdf6c00dbff0344b193fd68838114b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.409887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011433/manifest.json
observed f193d2a3a68c40f2269acda50db39a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.390612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011433/publication.md
observed ede512136aa994c7d0a0d6aaf8dd9c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.370323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011433/publication.txt
observed ad79457a0f791e48426bff6c6dbd8f4f...
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.