OpenTechnical

OT-2026-000100150

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000100150) never changes.

Identity and time

Publication numberOT-2026-000100150 · never reused
Internal UUID01a0aea3-3052-71e0-aa2d-5f2ea03dbddb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100150
StatusPUBLIC

Content hashes

Canonical text93fdea2d828dd2ccc1a7e5152dd1233ef37f45f594e8b2e593eaeecfbb6fd1f4
Markdown914086ce4f184fcaa5f5f637a58e77602127dfdbb8dabad5cbcddc1feed64ffe
PDF
Publication page4a714b5744bf0a8ef0809e04535d9362d99834ac3db40d8c9f5acb8f9775b35f
Manifestc5f4ce8ffd77a575c0f4e62bdb7e2245383f7028471af7ff28a474700a36ad3b

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
Signature0Wh71TBlkOL4DSgLsCfabk2m6WqSsq5vtr4Ko5w7OuOOhERUQIWPq3HbCi5MtBlIV7uSszpYspayGDWLBa8gAQ==
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

2026-09-17T09:27:51.311496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100150
observed 4a714b5744bf0a8ef0809e04535d9362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.293382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100150/manifest.json
observed c5f4ce8ffd77a575c0f4e62bdb7e2245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.273169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100150/publication.md
observed 914086ce4f184fcaa5f5f637a58e7760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.254621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100150/publication.txt
observed 93fdea2d828dd2ccc1a7e5152dd1233e...
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.