OpenTechnical

OT-2026-000016853

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000016853) never changes.

Identity and time

Publication numberOT-2026-000016853 · never reused
Internal UUID01a0ae6e-5919-75c2-9c07-4947dfc4e4dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016853
StatusPUBLIC

Content hashes

Canonical textd42193d9196136697e097bfb22a40f8ca6d2e65bd97640c53a32d9023002ab7d
Markdown893951b3e8f5d33a7ad408e30b6eae1dfbd855c134feaea91ee1146e2b8429f1
PDF
Publication page903a5d8b26cc5c85b99dd608d7b4118eff9f2ac411a181ce62cef5fd1690edcd
Manifestd34aa8300597f88b7047a3d2023540a421919580062bfde386905b34ca540557

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
SignatureMfo2irjPA8Tc760uQOyfK93MMiSD5tYRMqPwXkZEi1KG614hKbhpE0o5LDTw6RIZVMGNvIzeSLzuwWwoKmscAA==
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

2026-09-17T12:03:07.079127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016853
observed 903a5d8b26cc5c85b99dd608d7b4118e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.060976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016853/manifest.json
observed d34aa8300597f88b7047a3d2023540a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.043702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016853/publication.md
observed 893951b3e8f5d33a7ad408e30b6eae1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.025495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016853/publication.txt
observed d42193d9196136697e097bfb22a40f8c...
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.