OpenTechnical

OT-2026-000019625

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000019625) never changes.

Identity and time

Publication numberOT-2026-000019625 · never reused
Internal UUID01a0ae6f-1fb3-7205-a87a-ecb8966ef0c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019625
StatusPUBLIC

Content hashes

Canonical text40086b3955992dce084195f87b9365228d0c1b4166ecfc3cc849f7b3430af169
Markdown34d4766077959435d5ebc72b3d9bd5ff7100a2f911a4d932c74f1fc5f5a676e8
PDF
Publication page41757d19d70c16d641d1e62c03a18731c3ae7f2ae2a2d9832a1cc79c3378420c
Manifesta80c625931e63c4e4c71ce635d64f390ff804253333d0d3f8be2f1f0ea8abb5e

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
SignatureIOA23q9am8E8N9SiBZbsjlXCFpA/vYDW1CB7nRYSUMlzaExWAWc1RUwwFeAvKCRIk7bIWZnFcx5ZEDLUG8CQBw==
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

2026-09-17T11:57:40.779951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019625
observed 41757d19d70c16d641d1e62c03a18731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.761980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019625/manifest.json
observed a80c625931e63c4e4c71ce635d64f390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.743989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019625/publication.md
observed 34d4766077959435d5ebc72b3d9bd5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.725723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019625/publication.txt
observed 40086b3955992dce084195f87b936522...
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.