OpenTechnical

OT-2026-000019200

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000019200) never changes.

Identity and time

Publication numberOT-2026-000019200 · never reused
Internal UUID01a0ae6e-f391-73ae-b361-527966f9f1db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019200
StatusPUBLIC

Content hashes

Canonical text27b8cc28ee29d8135516199727bcffa8c5ade504a407e67ed7633dd25e7f5e51
Markdowndba695ebca48299414ee4824e1490697cce9ac2f8b501ba67e0460b6c13693a9
PDF
Publication page279d547e52b577a7cabb66422ef4d99c3e18798649c389141e3e2fe102e2e7ef
Manifest2d01e5753be8f8b56a46d92f4d10d6ff2155f87ffe3ed078776374aa1afd62ff

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
SignaturejSeY7d1RojGcL+1oOYKyFY1CyWseeteqwyxDJbuhwGnNxWXfAuQflffCT4UmkApRSi7WgzsGrLVo5c1vhNcsAg==
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

2026-09-17T11:58:29.361536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019200
observed 279d547e52b577a7cabb66422ef4d99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.344749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019200/manifest.json
observed 2d01e5753be8f8b56a46d92f4d10d6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.326507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019200/publication.md
observed dba695ebca48299414ee4824e1490697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.275408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019200/publication.txt
observed 27b8cc28ee29d8135516199727bcffa8...
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.