OpenTechnical

OT-2026-000010875

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained blow-off before set-down

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-2026-000010875) never changes.

Identity and time

Publication numberOT-2026-000010875 · never reused
Internal UUID01a0ae6c-540d-71c3-ada1-ea3becfc4c5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010875
StatusPUBLIC

Content hashes

Canonical textd4dedc359e75dc4382a3af59367171dee4fd2bd1ec1513637616ac5a5df05c28
Markdown3c550a54b421626e1a536b5c8e0ce70e8dd7e517c19809bf1a5a747bbb725f9c
PDF
Publication pageb9d7a7278ba44ec477a4dd0909c59b0e83dc21351363a3de0f16da05221ed87e
Manifest9b8fe0af0b0ae0270cf399b390748d41ae3341971f0eb0a5a4e0abf17af1e646

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
SignatureSY1xGFa0mnn2hv6o7WdXdfR6uvES9gGoyZFwiwVRvgKczBJSH+m/BTjqNP6btEcN0+/Yeuc5UrLu0kUT18yHDA==
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

2026-09-17T12:13:38.364173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010875
observed b9d7a7278ba44ec477a4dd0909c59b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.344755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010875/manifest.json
observed 9b8fe0af0b0ae0270cf399b390748d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.324693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010875/publication.md
observed 3c550a54b421626e1a536b5c8e0ce70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.303956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010875/publication.txt
observed d4dedc359e75dc4382a3af59367171de...
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.