OpenTechnical

OT-2026-000102074

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000102074) never changes.

Identity and time

Publication numberOT-2026-000102074 · never reused
Internal UUID01a0aea4-50f2-77e9-90b5-d28e11d1df1d · 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-2026-000102074
StatusPUBLIC

Content hashes

Canonical textc414e6019194bc80c0e0d89bed65169ac05b5a03d49dd26b89e9c3cd281f53ae
Markdownb82bcbc54d8905c64269684cfc76e1385dbc1e46ab47484f9af0f4d8a53b5e51
PDF
Publication page7e002190c9a9aefe14f52811ecf4036c2f75889e7e026ae6fa2e986ccf7c936f
Manifest7dc08540a92070e2f75d72d2ec1d0ecec90487d5e7c4ca6c1bcfeecaab73bfcf

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
SignatureUW5icvVWqSg2qce3HSVW4sWyLs1B+LsJrKWwd5k483U40fFIOzmJeK1zutljZ4WInDacdvYH/vk+gboFf33aBA==
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

2026-09-17T09:25:13.198035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102074
observed 7e002190c9a9aefe14f52811ecf4036c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.179436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102074/manifest.json
observed 7dc08540a92070e2f75d72d2ec1d0ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.161662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102074/publication.md
observed b82bcbc54d8905c64269684cfc76e138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.142554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102074/publication.txt
observed c414e6019194bc80c0e0d89bed65169a...
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.