OpenTechnical

OT-2026-000015925

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000015925) never changes.

Identity and time

Publication numberOT-2026-000015925 · never reused
Internal UUID01a0ae6e-0c4d-7d0f-9bd9-0a8268faef99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015925
StatusPUBLIC

Content hashes

Canonical textd4cf2bcb98816b4490d488b3d9bff596de5c7188f4eb6024a0a97306120ffac1
Markdown230675bfc028f26975e70aaf416d9edada59020d3427e4f8ab282a7371c00468
PDF
Publication page4c646d8b3a2d1101ac1dbca16c1a9e79ee53f6cea694daa790467ee2dfe65252
Manifest2f09f92a99fc4e54d3c5c2d200397bd147a6a2602d337461fb94a772a4b6dadc

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
SignatureKtIqr5RZh90+bESvDZ+N9qXP/zAoOB6h3jBm0oY2oPGCgM6N1OnFg1QIsuCHNPFH8SGzfxspN0B38MpOKX56AA==
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

2026-09-17T12:05:23.699088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015925
observed 4c646d8b3a2d1101ac1dbca16c1a9e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.679861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015925/manifest.json
observed 2f09f92a99fc4e54d3c5c2d200397bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.661243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015925/publication.md
observed 230675bfc028f26975e70aaf416d9eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.641731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015925/publication.txt
observed d4cf2bcb98816b4490d488b3d9bff596...
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.