OpenTechnical

OT-2026-000010045

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000010045) never changes.

Identity and time

Publication numberOT-2026-000010045 · never reused
Internal UUID01a0ae6b-cb79-79df-9ed3-53cb2225b37d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010045
StatusPUBLIC

Content hashes

Canonical text305a511def29b86f29cbeea8d3c47d0109127e692c18830a81baa71ec30b52f7
Markdown48f4f9c18e667d680c214dac41c7a0f43642b38679668224d3d4913711ecca13
PDF
Publication pagea43cea79d07d40390b710894f2bb843fe1551aa0783898d908139d9d9110e6c7
Manifest19bae20135ab1dc5f95653f7e6e6d173e0a69f97f9b6d142ba0a9d9ab4d8472c

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
SignatureGaDa0HMWGcK96yfyZUsIgJCaxeGUwY02nmPoSrdqcM6D8EeuCRQaFbWmREGLXCFGXGX40S337jvyHdmhWW3WDg==
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

2026-09-17T12:16:06.719437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010045
observed a43cea79d07d40390b710894f2bb843f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.701695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010045/manifest.json
observed 19bae20135ab1dc5f95653f7e6e6d173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.682482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010045/publication.md
observed 48f4f9c18e667d680c214dac41c7a0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.664768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010045/publication.txt
observed 305a511def29b86f29cbeea8d3c47d01...
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.