OpenTechnical

OT-2026-000096747

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000096747) never changes.

Identity and time

Publication numberOT-2026-000096747 · never reused
Internal UUID01a0aea0-a4ac-788f-bd70-0691494a3044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096747
StatusPUBLIC

Content hashes

Canonical text7f98f4b7baa8b3782ca19e93eb7046fae46ba4b30b699c86f7a42ad46c33f071
Markdownb350506b80b32f10969123e60be4e743e5ae1f210c66357605fd7d05f8f2f7c4
PDF
Publication page291d6187142571f7c8e164280456afabac9223728183f68c27e751836bd2c6e2
Manifeste3f8eb151fb20a63a1cd93e74b8da1240389f2d9e77b8ea135adcf0154094bc5

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
SignaturesjWxc9VaQnjOiCPQFPOyYld5MhjGQTkXyqgYN6MZMxwBlFb6uSjBj0z0F/lT+zMWm+PWoKEi4uX2EJQ5nrBmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:34:19.381935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096747
observed 291d6187142571f7c8e164280456afab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:19.364128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096747/manifest.json
observed e3f8eb151fb20a63a1cd93e74b8da124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:19.346344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096747/publication.md
observed b350506b80b32f10969123e60be4e743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:19.326896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096747/publication.txt
observed 7f98f4b7baa8b3782ca19e93eb7046fa...
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.