OpenTechnical

OT-2026-000029349

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029349) never changes.

Identity and time

Publication numberOT-2026-000029349 · never reused
Internal UUID01a0ae73-5e20-7815-8890-7ce5cabc076e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029349
StatusPUBLIC

Content hashes

Canonical textaffddf543cc5d59f7016677becc44c839bf2d84c1387626642deebf9f273129a
Markdown71d99b128987e13c9088b81ba18b8ba0580b6382109febfe19616673fd7cca78
PDF
Publication pagef4c12fcc985d6f888e0f1aa96193a811286d906c60710c8e901ff0417b01803a
Manifest1a5faef37593f268e6473c2653a3352143a8902882cb57abd187f7f872f2570a

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
Signature6mUKgvoQI6ASD8YBXBbM5gZyJma6oMdb9dg83V4Jr0+SdCfF7RP2Pwb2qZboRxOtoI9rDflly3aY9tsi38b4DQ==
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

2026-09-17T11:38:54.156180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029349
observed f4c12fcc985d6f888e0f1aa96193a811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.139063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029349/manifest.json
observed 1a5faef37593f268e6473c2653a33521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.119519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029349/publication.md
observed 71d99b128987e13c9088b81ba18b8ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.100288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029349/publication.txt
observed affddf543cc5d59f7016677becc44c83...
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.