OpenTechnical

OT-2026-000102938

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000102938) never changes.

Identity and time

Publication numberOT-2026-000102938 · never reused
Internal UUID01a0aea4-be3c-783e-8860-26451f989346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102938
StatusPUBLIC

Content hashes

Canonical text6a7c96b51d903ead8b97709520e05d3a13521cbb796a1a1faee2e5912d593401
Markdown79f82fefbaed23d33f9eb12bd436abab16fb89720845aa3f8c5881ca88230754
PDF
Publication pagec38ceba3b9144d912c509578277d37d018a96bf2255430dbb11f494ab9f1866a
Manifest7b0082c0088d200b72168994e18785f432668e6a53b251c5a721920d81044079

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
SignatureCtHfaYXZFgZdNKKlupFvKwVEcjoL+bIABbartDk/EiyYPuoLcnGt82rJppYFSpefT1h/shG8QGz3Oqy4IFsOAQ==
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

2026-09-17T09:23:02.534960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102938
observed c38ceba3b9144d912c509578277d37d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.512207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102938/manifest.json
observed 7b0082c0088d200b72168994e18785f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.437871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102938/publication.md
observed 79f82fefbaed23d33f9eb12bd436abab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.353745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102938/publication.txt
observed 6a7c96b51d903ead8b97709520e05d3a...
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.