OpenTechnical

OT-2026-000017019

Publication integrity record

Two cup vacuum gripper, two 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-2026-000017019) never changes.

Identity and time

Publication numberOT-2026-000017019 · never reused
Internal UUID01a0ae6e-591b-731f-b78c-a98043362751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017019
StatusPUBLIC

Content hashes

Canonical textd5c8d3b61413b6895d8c408b76c670a655f56ff4a0970a3f64369f6e875c1eb8
Markdown49cd9275999cf6d115b0d4c4563101e80212e40f6b6e1c54068a17530b0fd4e2
PDF
Publication pagee0b4a41efc781e53cb147948f58e98e07b292f84c1097a05ff714bafeff4009c
Manifest3027afbd9ceb64eb46a823132b94ef663116aa62ac0b982fbf734fd7b28f89ac

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
SignatureA/+b30Wt+OMql5QGe8BPkKLyDIl7j5jUo3LI4qXSiUK2L86x8wLe/gqii2Fb+mjbZuyzsJkhUhTBl++ekTLvBQ==
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

2026-09-17T12:03:25.681978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017019
observed e0b4a41efc781e53cb147948f58e98e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.667020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017019/manifest.json
observed 3027afbd9ceb64eb46a823132b94ef66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.651651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017019/publication.md
observed 49cd9275999cf6d115b0d4c4563101e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.636408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017019/publication.txt
observed d5c8d3b61413b6895d8c408b76c670a6...
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.