OpenTechnical

OT-2026-000011963

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000011963) never changes.

Identity and time

Publication numberOT-2026-000011963 · never reused
Internal UUID01a0ae6d-1942-7a8f-8645-8271e06d7789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011963
StatusPUBLIC

Content hashes

Canonical texte1f0f37022bab49eaa5909a8eba7867aac761ffaebeab4bb113b3b4656f1d9e4
Markdown8ca800543af33d3847925c67845ea849fb902f8bc6cc25b4b49c95f295b1e1c9
PDF
Publication page6b7936c98b3aa6ed766943f0f18bd5bbfea477d4cb1d1433c3dfb854d4b61738
Manifest0ec26d7b43f3513f4c44792f5217757db12260cd858944d1b1fe6ed9ab13523f

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
SignatureSZtiWRDxFk9YFxbZRW6RCAQbO7tYGSVTxKEC0hvJXr77y7l4Duq7AVNOYknhVp0SIyWrMMYf0rr3sxb2dD9YCg==
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

2026-09-17T12:12:48.890986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011963
observed 6b7936c98b3aa6ed766943f0f18bd5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.872243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011963/manifest.json
observed 0ec26d7b43f3513f4c44792f5217757d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.854165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011963/publication.md
observed 8ca800543af33d3847925c67845ea849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.834909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011963/publication.txt
observed e1f0f37022bab49eaa5909a8eba7867a...
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.