OpenTechnical

OT-2026-000045931

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045931) never changes.

Identity and time

Publication numberOT-2026-000045931 · never reused
Internal UUID01a0ae7d-8f89-7f19-be4a-b5411f272403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045931
StatusPUBLIC

Content hashes

Canonical textdd659604d36222bcef6c6bd54b0d75aa9540d54f5d52e6c470fd947bf6e1914c
Markdown47ab9b7b60c406a78a5b91b72f8e894f58d15b7e43a06eeb8e484aff2735fe5e
PDF
Publication page0b08cd688e9e6c3ff91a68ae6e4f1b60fa9be39fa59c5582fd0804433bd01221
Manifest5468411d28c74bf0a80d8098121ce1113f716d952adb8aa2148c72a90b698cf0

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
Signature+xznREMMsqOaAXeToGsETdFqRZx0GHs3YzMRri2slL5NJEoRBYu3FzgfwEvL2LW3Ho2WtQmdr6jGP5rqn8AXDA==
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

2026-09-17T11:09:50.315472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045931
observed 0b08cd688e9e6c3ff91a68ae6e4f1b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.298102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045931/manifest.json
observed 5468411d28c74bf0a80d8098121ce111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.279418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045931/publication.md
observed 47ab9b7b60c406a78a5b91b72f8e894f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.260766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045931/publication.txt
observed dd659604d36222bcef6c6bd54b0d75aa...
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.