OpenTechnical

OT-2026-000012902

Publication integrity record

Foam pad vacuum gripper, 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-2026-000012902) never changes.

Identity and time

Publication numberOT-2026-000012902 · never reused
Internal UUID01a0ae6d-5563-7b8c-990a-9ef5bed21daa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012902
StatusPUBLIC

Content hashes

Canonical texta613c14a7602ec006af47e2b3836d193592386c1b86378839880ab4374232136
Markdown1914168d03904e2a8b84aac3c006bb609df18cebcf93e2b4a9d44ca6c8360774
PDF
Publication pageec6dd86365a7a6c5794df49d3e362c801e1e8340238c35d51f5ea17bd7040bb6
Manifest0c8315de96b474bc73a8f2713848c6242271932b4e62206c949eca4fa6f2d133

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
SignatureXBuzBhYYQKKOL7YbVM5W98K8o3C9EA6GP97f49X4Vj+9Z+WZqKJsgObFBIAvwGsKomT0IZ2tsV+jYDnf7lSHBg==
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

2026-09-17T12:10:41.628669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012902
observed ec6dd86365a7a6c5794df49d3e362c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.606607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012902/manifest.json
observed 0c8315de96b474bc73a8f2713848c624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.585389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012902/publication.md
observed 1914168d03904e2a8b84aac3c006bb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.565171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012902/publication.txt
observed a613c14a7602ec006af47e2b3836d193...
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.