OpenTechnical

OT-2026-000047363

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000047363) never changes.

Identity and time

Publication numberOT-2026-000047363 · never reused
Internal UUID01a0ae7f-3e57-78f5-8ab5-99ea19eb762b · 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-2026-000047363
StatusPUBLIC

Content hashes

Canonical text66c8ec3319d69b073e0bae9fbda302a924754c33b8efb05e587e67f95f091f5b
Markdownb9a4222872e1cc8d67c24e5c8ca340e0b991cfa741a55545d5518ce600e2ee66
PDF
Publication page81df2a842436c22fc5b20c1f2bb57cd1edaf1d8f449aced67dee4944f20f4a2c
Manifestd9e1d58c39eddae6006ae2c3d24fbb080ec5103e94122f9823b404da1994f6a5

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
SignatureKCEybVFv4nj3dwk4wUK3N2umEkgd0MCYKgikP9oXoprBqNP5eUXceoq7vb8FooybwqYyv4vduAWnIq1Sit0IBQ==
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

2026-09-17T11:06:21.813361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047363
observed 81df2a842436c22fc5b20c1f2bb57cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.794071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047363/manifest.json
observed d9e1d58c39eddae6006ae2c3d24fbb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.773670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047363/publication.md
observed b9a4222872e1cc8d67c24e5c8ca340e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.727441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047363/publication.txt
observed 66c8ec3319d69b073e0bae9fbda302a9...
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.