OpenTechnical

OT-2026-000025199

Publication integrity record

Four bellows 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-2026-000025199) never changes.

Identity and time

Publication numberOT-2026-000025199 · never reused
Internal UUID01a0ae71-5fa6-724c-b429-f24eb7998661 · 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-2026-000025199
StatusPUBLIC

Content hashes

Canonical texte05be40c3495c22a2ce057236533c990862a1cee61651681ea0c1c27c6fcab7e
Markdowne72effe955439741ce552fdcd2fab348512459eab3be1d23e25cb5e285d8684b
PDF
Publication pagecb3adedbe6f45fd458cd54b2bfce0a28aea32f83762a3c29fdaa81da625ed29b
Manifest2a8032738a030447be68d2f733681435938d0381ea24068e66a5aa7aa0aec02c

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
SignatureKOpkDiNhOFNNNK3hqzd8NQelwJzjdM50cBX/4kd4qeAtu9izqC1nc+eJSey59EeGjgT7ffGindIgAxt7cAnDAg==
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

2026-09-17T11:47:11.302093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025199
observed cb3adedbe6f45fd458cd54b2bfce0a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.284315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025199/manifest.json
observed 2a8032738a030447be68d2f733681435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.266306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025199/publication.md
observed e72effe955439741ce552fdcd2fab348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.246808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025199/publication.txt
observed e05be40c3495c22a2ce057236533c990...
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.