OpenTechnical

OT-2026-000020202

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000020202) never changes.

Identity and time

Publication numberOT-2026-000020202 · never reused
Internal UUID01a0ae6f-4379-7926-9662-023194b4eacc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020202
StatusPUBLIC

Content hashes

Canonical text2c510c7ee3a40a9a2e0b20ff5f39db273e8fd37be589bae734b17ff60bf84095
Markdown5446ebe55496322bfaa46f997c6aae6f6f5ed9c8b1ded471c0bfe536935fe021
PDF
Publication pagee9002ec010c07bce9f91e2805df86dcb11e90977513bc03c0be0c1cdaebaf5ce
Manifest5071d592138428a399a24d3244caeb9c4affe94b0dbdc31f978f570dea664eba

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
SignatureuEEbqN9TY0oT7EbzFd+BmQeXq4yv6QknsFa0cEi9VjCY/+Xv5dr/HWxjax1LmHVjWl6caNmsd7a/T4cUh+NkDg==
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

2026-09-17T11:56:32.161386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020202
observed e9002ec010c07bce9f91e2805df86dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.142196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020202/manifest.json
observed 5071d592138428a399a24d3244caeb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.122245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020202/publication.md
observed 5446ebe55496322bfaa46f997c6aae6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:32.103081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020202/publication.txt
observed 2c510c7ee3a40a9a2e0b20ff5f39db27...
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.