OpenTechnical

OT-2026-000024805

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000024805) never changes.

Identity and time

Publication numberOT-2026-000024805 · never reused
Internal UUID01a0ae71-2727-7df0-8469-9b82ac2abb12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024805
StatusPUBLIC

Content hashes

Canonical texte3d06fac294cbc7690a81a19f36e8135eab166f077be1b98c0ef8ff97515c7f9
Markdown00c2991543b6cdb7cdee3e77c9ad2dd9e5f14d29ca6093ab1fd7f1ed3650d148
PDF
Publication page2f7435db3c87514ee9e390209b2c6ffccddf38ff5e4c511b87f492e0386c9c12
Manifest9da0612f25165ea0bc1ff6e089afb1bb30b14c79ca8f149a99463a89a6dd75bf

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
SignatureyIRkEz7uKwLnM6l4XFrYYUTPU7Gb6930jtH9SxtyFKPKId761g5RJdx0I15+Ni2mwR/Xq6I01lnJDFAm7qjPCg==
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

2026-09-17T11:48:05.133426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024805
observed 2f7435db3c87514ee9e390209b2c6ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.114353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024805/manifest.json
observed 9da0612f25165ea0bc1ff6e089afb1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.096099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024805/publication.md
observed 00c2991543b6cdb7cdee3e77c9ad2dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.080319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024805/publication.txt
observed e3d06fac294cbc7690a81a19f36e8135...
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.