OpenTechnical

OT-2026-000045821

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045821) never changes.

Identity and time

Publication numberOT-2026-000045821 · never reused
Internal UUID01a0ae7d-8f05-76ff-8afe-10288b8cf5fd · 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-2026-000045821
StatusPUBLIC

Content hashes

Canonical textfa906124dd5bcecdf8074859078677033e8f8afa4d0819f35189b255f7e4650f
Markdown89151e3cb333d49e1da931d64471495aa04d36ae9b9848cf00cdc90040eda24a
PDF
Publication pagefcc3e2de3c57c9e906d498f0fda35327671bb90094832000f20e32b83665d11a
Manifest30ec7778c2c9cafbd5690bca86f8eddd80b611ee7de09790f576652c4205e3f1

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
SignatureurIitFz+QVKbrC0Opsp+joXriuoPIPoXfCIkTkDprySUjrkTBeuPXknOBE7uv9pI7lumWrMno/MqBDmD7ISSBQ==
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

2026-09-17T11:09:41.655015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045821
observed fcc3e2de3c57c9e906d498f0fda35327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.634707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045821/manifest.json
observed 30ec7778c2c9cafbd5690bca86f8eddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.614687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045821/publication.md
observed 89151e3cb333d49e1da931d64471495a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.595952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045821/publication.txt
observed fa906124dd5bcecdf807485907867703...
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.