OpenTechnical

OT-2026-000032427

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032427) never changes.

Identity and time

Publication numberOT-2026-000032427 · never reused
Internal UUID01a0ae75-106e-7a3d-8622-b88fa4b81dec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032427
StatusPUBLIC

Content hashes

Canonical textb2d5c23c83e20ac7edf7de36a55e45f56db25ad7325fe6f7a102c9bdab455520
Markdown689234820ec24d69a8b217588103fd1bdbf0f265f45f92bdaef5730efeb8f916
PDF
Publication pagef274fb155e8191ed589395c03d8e22dd95d2be5fcab2634e0e2971c95e4ed9d0
Manifest7a22d6c03b6c8bb9d40d9be2493f706472cc2607cca2a040e869ae9b6957d652

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
SignaturesAizErP4yXGuGQuaEnoM6gUCRKQ97SNKwUd8227ow4BCj6DMiDzUR4WfbHnhCZ1lPUANktKmtaQOxUvNCLfuCA==
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

2026-09-17T11:33:50.883149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032427
observed f274fb155e8191ed589395c03d8e22dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.865508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032427/manifest.json
observed 7a22d6c03b6c8bb9d40d9be2493f7064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.849549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032427/publication.md
observed 689234820ec24d69a8b217588103fd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.832131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032427/publication.txt
observed b2d5c23c83e20ac7edf7de36a55e45f5...
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.