OpenTechnical

OT-2026-000101380

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000101380) never changes.

Identity and time

Publication numberOT-2026-000101380 · never reused
Internal UUID01a0aea4-0e13-73e5-94ab-38deb8ed2b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101380
StatusPUBLIC

Content hashes

Canonical text2295acdfd7bc2620f3bda8dc8e100f3a2efe2e25fc254cd6dc8a48e4cf63b8d4
Markdownd200591696e60aeb3ca0cf6437b0c23ad80f2fb327ca78acebaeff8de5debdf9
PDF
Publication page41ce792e26bdc67ba6ac2086a649251508e1c06af5b301e8adc45fa573fe3057
Manifest62fad24df4461299dbe2cc3478b70c32e763080d2bb0392d56bfdebbaefa7a97

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
SignatureUNnGVdIcXhzjJhLbJ1vj0/ngx/IQHBcwcgk9tzccME8wNP0EbhdQzHTObrnN55gY9Hqxv6u8dxkUNiMYhSCqCg==
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

2026-09-17T09:25:39.456358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101380
observed 41ce792e26bdc67ba6ac2086a6492515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.408313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101380/manifest.json
observed 62fad24df4461299dbe2cc3478b70c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.390071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101380/publication.md
observed d200591696e60aeb3ca0cf6437b0c23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.279887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101380/publication.txt
observed 2295acdfd7bc2620f3bda8dc8e100f3a...
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.