OpenTechnical

OT-2026-000050296

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000050296) never changes.

Identity and time

Publication numberOT-2026-000050296 · never reused
Internal UUID01a0ae82-5c46-767b-b835-aed25f0cdfe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050296
StatusPUBLIC

Content hashes

Canonical text4271109393cb24af0c86a995bde1c1cbd61ca4da40d3ee1b7d1a4feb6a012059
Markdown2fa553720d6ad9e533722a9fa387354af25a9939d7aa66ea9da05052bb2e1fb1
PDF
Publication page82364cf51d4472a7adae450e9d694a5f8b363d52d82d2a87f8aff11a821e1269
Manifestb70448a833f764eddab796d8e7131b45391a1369ea671f510a7eaff6ce497eb5

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
Signature9+ucmNv0MCn2xNx2luS4/cCJayrKBnbxsxcf+WjYeFtrsEEoNYDNMUrjwqitX/4wUTn4qRwXVTXP+wnP495iBA==
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

2026-09-17T11:01:18.186304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050296
observed 82364cf51d4472a7adae450e9d694a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.169814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050296/manifest.json
observed b70448a833f764eddab796d8e7131b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.152745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050296/publication.md
observed 2fa553720d6ad9e533722a9fa387354a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.135254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050296/publication.txt
observed 4271109393cb24af0c86a995bde1c1cb...
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.