OpenTechnical

OT-2026-000029199

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000029199) never changes.

Identity and time

Publication numberOT-2026-000029199 · never reused
Internal UUID01a0ae73-2aa0-747e-b07e-7c7a480da353 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029199
StatusPUBLIC

Content hashes

Canonical text41026aa0b254b030a8b6e6b2c91585146c7bc97279dade250478e23d966335a5
Markdown102c6b8ca5f2ce0cec533702176b60d954507f79dcadffef4e9dd5551a05294b
PDF
Publication page8294d0a5a74cb029d44b71f0ec1883eee5256e7fb9fba470d6626a42197e7563
Manifestb5785adc6d16ff69315357055adaf14c44829803b11f64a8f1fd87baa0aa4346

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
SignatureeQTsJ4998UwjBZOpVFffIqAbQYCdaRUmW+gU/qVc/VmmGuMbYvKSOyhdCQ01K9Q/QtIlZ5TV73Wq8CvsZg6qCg==
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

2026-09-17T11:39:48.797886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029199
observed 8294d0a5a74cb029d44b71f0ec1883ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.776270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029199/manifest.json
observed b5785adc6d16ff69315357055adaf14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.755131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029199/publication.md
observed 102c6b8ca5f2ce0cec533702176b60d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.731012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029199/publication.txt
observed 41026aa0b254b030a8b6e6b2c9158514...
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.