OpenTechnical

OT-2026-000019400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000019400) never changes.

Identity and time

Publication numberOT-2026-000019400 · never reused
Internal UUID01a0ae6e-f393-7769-b26c-401102d38959 · 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-2026-000019400
StatusPUBLIC

Content hashes

Canonical text3b2e3e13ccd521f0e7541afe29b9200462b3097182cda81894e93b0df88c0a24
Markdownae5ded34b19f69d9653416f462ad71a1013a39b84a5922d7bcfdf945a6e67023
PDF
Publication pagec59602c433700733aeb382cade0be874b408b919e4f218c70d5e0e7cb6ae7205
Manifestdfc219f493631ed26b2ea663ca47cfc907433d505c93b81649ba1b3d22e99c83

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
Signature5PfxqV4BRoM4LFge7eDunywhjAAUPGZabgIOpfeDGtIrI3xdzUA1/Ql80ruCX8WoWrKAJQoEFo4nDdycpSuRCw==
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

2026-09-17T11:58:47.172557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019400
observed c59602c433700733aeb382cade0be874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.151004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019400/manifest.json
observed dfc219f493631ed26b2ea663ca47cfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.133727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019400/publication.md
observed ae5ded34b19f69d9653416f462ad71a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.113894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019400/publication.txt
observed 3b2e3e13ccd521f0e7541afe29b92004...
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.