OpenTechnical

OT-2026-000015571

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000015571) never changes.

Identity and time

Publication numberOT-2026-000015571 · never reused
Internal UUID01a0ae6d-ef4b-7b6f-8ff4-609ec84a469a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015571
StatusPUBLIC

Content hashes

Canonical text86388c9c57926b7548b8a78cc7653f19655ae74fa082b0e017760eeb7601ae40
Markdownb10f7e50907d159cd844fbb3e30555dd46b50bda97a27be3b366e463278e1a15
PDF
Publication page1eee81f04a8fb963faf0e94eb9c2ec88ffcd0096196b9446068a0bda088d9b86
Manifestb639e54de688d69a1a7bfa8108ba9572202c545ae29d9434c06172d01569f069

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
SignaturefA4zLUEHzbxlS/o/qHMPQUg8kIh0HQPamK9cFIG0fk8VmYT4F9gzJIfJwupau6yaI9OiUUkiP/FPhTVVPfaSAw==
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

2026-09-17T12:06:21.813121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015571
observed 1eee81f04a8fb963faf0e94eb9c2ec88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.795214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015571/manifest.json
observed b639e54de688d69a1a7bfa8108ba9572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.775826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015571/publication.md
observed b10f7e50907d159cd844fbb3e30555dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.756212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015571/publication.txt
observed 86388c9c57926b7548b8a78cc7653f19...
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.