OpenTechnical

OT-2026-000013829

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013829) never changes.

Identity and time

Publication numberOT-2026-000013829 · never reused
Internal UUID01a0ae6d-8de9-7ac7-bbba-208585af759e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013829
StatusPUBLIC

Content hashes

Canonical text10f6da5053b033f0e57f6fdbb767f7827059ad5abfc4d181bae0900444525ec8
Markdowne12a0d3ddf1470216404e3abdc448be61a5e0652df28a3c0c90682d295beefe4
PDF
Publication page71a964b692ffa1fe1acb9fbc1769e03d7824577d01b2295eb6a0820ba154f28f
Manifest3fc1e3bf080869b5ea7628c35043b378af6716f32e7b23e85001f517b77f7dff

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
SignaturevTMuR2dH/1l32kXe9VrmFxyxoIP8bHt/71ohyyWIRIppODYJkMBHIyqimFr43msGtVXX3lH149RnXAFHHqP/Dg==
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

2026-09-17T12:08:55.837788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013829
observed 71a964b692ffa1fe1acb9fbc1769e03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.819130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013829/manifest.json
observed 3fc1e3bf080869b5ea7628c35043b378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.798886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013829/publication.md
observed e12a0d3ddf1470216404e3abdc448be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.780874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013829/publication.txt
observed 10f6da5053b033f0e57f6fdbb767f782...
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.