OpenTechnical

OT-2026-000093093

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000093093) never changes.

Identity and time

Publication numberOT-2026-000093093 · never reused
Internal UUID01a0ae9e-0910-75fd-a22d-3d8f8bcede01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093093
StatusPUBLIC

Content hashes

Canonical text8987a61c03d3c044a9d52292dc0124998aef845aed1892a5de7c08c657e14b0e
Markdownd03bb47254d0f7406e99c56a9f2e5415420591a67aa40ba96921ec1991327f7e
PDF
Publication paged26402d63043f8ade7d8583279bd6a594ba1e5c1e3c577cff95849d5c3e84a18
Manifestc5d9c524437ab01799426b79844a54e9f2875130b1bb3d16822c911cd244d266

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
SignaturesSkNiZaMXAYUkN6Bf/oIEE6EKFKJ2AueoKMsaje+hnEdHfZYqQGjzX1fprjw12PBCgFxjuAtesVHcl1tnwOICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:20.763804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093093
observed d26402d63043f8ade7d8583279bd6a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.745472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093093/manifest.json
observed c5d9c524437ab01799426b79844a54e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.727690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093093/publication.md
observed d03bb47254d0f7406e99c56a9f2e5415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.711265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093093/publication.txt
observed 8987a61c03d3c044a9d52292dc012499...
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.