OpenTechnical

OT-2026-000013093

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000013093) never changes.

Identity and time

Publication numberOT-2026-000013093 · never reused
Internal UUID01a0ae6d-5565-75fe-80af-9b5073cbc347 · 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-2026-000013093
StatusPUBLIC

Content hashes

Canonical textd897d9dceef1a62769f6095831f7d49d5869c33ffa6e263f1dfdc8d837a7cea5
Markdownff778135b65a4c9bc72b97150e82dcfa3562ed1d71ca978ebee45bfbae7fec65
PDF
Publication pagec1af9241a96c16489b6651005a5cd64fca820ff0389469c249c2c631463b5a11
Manifest4a800ef45f21ba2262279e2489d1f7e38ffa2262aa6631746d9cba606764b874

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
SignatureeliJuyoYAqqA6Az8ByDAjlvTvU2RJxcuoSRQF9N5EN6ijfz6CW6EdvSJFlWEfDXHyR3jwEssdQh2/Uk2DCFYBQ==
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

2026-09-17T12:10:56.532652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013093
observed c1af9241a96c16489b6651005a5cd64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.512818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013093/manifest.json
observed 4a800ef45f21ba2262279e2489d1f7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.491838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013093/publication.md
observed ff778135b65a4c9bc72b97150e82dcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.471523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013093/publication.txt
observed d897d9dceef1a62769f6095831f7d49d...
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.