OpenTechnical

OT-2026-000026584

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained 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-2026-000026584) never changes.

Identity and time

Publication numberOT-2026-000026584 · never reused
Internal UUID01a0ae71-f4a9-7500-87ed-047583da0a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026584
StatusPUBLIC

Content hashes

Canonical textdea9bb67b9dca9bce3d9463938714a2df5b94b4b47a376df1950fa9b1c9bea42
Markdownb0d9d35ea521b9ce004451d3e0948318b57c461035e3976b376bbc9cfc5f0733
PDF
Publication page744bcb091dd38bc70898e929f3417b6f8cdee59a205272d6dd9a52adb887e568
Manifeste4f3b47648d0c0053978581cea21c9ab8dccccbe0d51fc5eabef6c3fa51dafb5

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
SignatureO5JMZMPOgG0ezM5Lnbe1VypaPp/XUS6I540+WZRcCh0c086Jqu4iLYSJ6oxIaJV3St0+yuZ9JYyw78GwxKx/Bg==
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

2026-09-17T11:45:38.984318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026584
observed 744bcb091dd38bc70898e929f3417b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.963453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026584/manifest.json
observed e4f3b47648d0c0053978581cea21c9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.943294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026584/publication.md
observed b0d9d35ea521b9ce004451d3e0948318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.922099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026584/publication.txt
observed dea9bb67b9dca9bce3d9463938714a2d...
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.