OpenTechnical

OT-2026-000047263

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000047263) never changes.

Identity and time

Publication numberOT-2026-000047263 · never reused
Internal UUID01a0ae7f-3e56-777e-93a1-ea6bfc2454b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047263
StatusPUBLIC

Content hashes

Canonical text1dec73429122323b6136b23793c6346b326e9d3de789a681ce8d661c9502d3dd
Markdown7c09effc513d1e4808fdc759c4138888a8e1cd451513e44ab1c947234553a69b
PDF
Publication pagec525e6c7e9bd44c2e3f91eb5bce989e2c0bc57aa3d2f929eec0215414cfc5f4f
Manifest9b9f42002b78e180f2fef1ae9a283f5720ddd12877288f77871e25441a9d5e42

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
SignaturemJjuoAjU2qOzQQIVqtCQ0XK8vT80Dp+kpt5v8SfsbhaJHKN8WInQBd0J0h4oRIJIf9TNJ7jhZBYKw9fquIWyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:13.632952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047263
observed c525e6c7e9bd44c2e3f91eb5bce989e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.613905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047263/manifest.json
observed 9b9f42002b78e180f2fef1ae9a283f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.594905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047263/publication.md
observed 7c09effc513d1e4808fdc759c4138888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.577183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047263/publication.txt
observed 1dec73429122323b6136b23793c6346b...
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.