OpenTechnical

OT-2026-000013009

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000013009) never changes.

Identity and time

Publication numberOT-2026-000013009 · never reused
Internal UUID01a0ae6d-5564-715f-b041-d6a820126b11 · 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-2026-000013009
StatusPUBLIC

Content hashes

Canonical texte647a421dc4913a69747f0f0bfb1f79028f425f3a7d91e80f563bef83a7d3a0e
Markdown81d0b3511dcc0c654a2790f0a1537fcdc44cfd42e242800c6122eb52a1ef4c90
PDF
Publication page220085c76cbc61e998feb88f3eac1b9b018fcc6b579ff4b8ca63d063c7ab5d70
Manifest35d30ae320c703c0b12700f67f19bf338fd3398af0b3896c51be55e854c982e4

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
SignatureiX+boj4sH+vD5unx4NI1eyDNlvLncdM3izOQN25rzb1fAuarJodNnnxTDJnWPB+nKGG6QCc45QHtbJFQuwStCA==
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

2026-09-17T12:10:49.882414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013009
observed 220085c76cbc61e998feb88f3eac1b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.862524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013009/manifest.json
observed 35d30ae320c703c0b12700f67f19bf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.843641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013009/publication.md
observed 81d0b3511dcc0c654a2790f0a1537fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.825150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013009/publication.txt
observed e647a421dc4913a69747f0f0bfb1f790...
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.