OpenTechnical

OT-2026-000012244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000012244) never changes.

Identity and time

Publication numberOT-2026-000012244 · never reused
Internal UUID01a0ae6d-39f5-7a17-b1db-3762e12db554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012244
StatusPUBLIC

Content hashes

Canonical text73179152e3141014a16154cd7b0b7a96a0d6021a7801703d78d1f84de6a110f4
Markdowne1dc4ace59ec4cbb1e4718c99c4421dceecdecfc095ac1f6667667709d59a930
PDF
Publication pagedc581212c6daedfa36034b08c2548b6894b715756de589200d613de22ff057cd
Manifest05532ecfc7f5666979ceb4eba2d8e8ebc759e9cdfda63be34e3093609f3880f9

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
SignatureS/4jn5P6IaX3oiYCL9iW0RSYjSEJppNkcqpsMOq00+NZDn62SeRBmVn+Vk8oqvP6JQCPw5SVo8Hm9/NLKJSsAA==
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

2026-09-17T12:11:10.326854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012244
observed dc581212c6daedfa36034b08c2548b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.309691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012244/manifest.json
observed 05532ecfc7f5666979ceb4eba2d8e8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.290510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012244/publication.md
observed e1dc4ace59ec4cbb1e4718c99c4421dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.272816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012244/publication.txt
observed 73179152e3141014a16154cd7b0b7a96...
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.