OpenTechnical

OT-2026-000102054

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000102054) never changes.

Identity and time

Publication numberOT-2026-000102054 · never reused
Internal UUID01a0aea4-50f2-7517-adde-9768640119df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102054
StatusPUBLIC

Content hashes

Canonical textd846a50f9db88388cbebc618736390e36d63d8cdc7e2151fef7d0162e974f305
Markdownfc0b950f58942160bf905cc87511448d299cff6d6b6b1e908df1ad4d8c934a29
PDF
Publication page985517b69a308ca2e6daa48b20bb24d3b0ce7d133c278570820ffac8087b61b7
Manifesta60c041463125f32ee936eb54b8bc9a60607a7dbe2cada46e40099ca3363144d

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
SignatureBxstnuYkDWlXJMq0u0F8uiv87m6o8EE94GOwp0MFK01uIhns3y6ZwvdiColfw/ND2DaRKm/lsL/yHFz+MLjMDA==
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

2026-09-17T09:25:11.781884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102054
observed 985517b69a308ca2e6daa48b20bb24d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.764875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102054/manifest.json
observed a60c041463125f32ee936eb54b8bc9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.748042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102054/publication.md
observed fc0b950f58942160bf905cc87511448d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.729941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102054/publication.txt
observed d846a50f9db88388cbebc618736390e3...
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.