OpenTechnical

OT-2026-000025335

Publication integrity record

Four 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-2026-000025335) never changes.

Identity and time

Publication numberOT-2026-000025335 · never reused
Internal UUID01a0ae71-5fa7-7204-a3aa-0a33a9f2b029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025335
StatusPUBLIC

Content hashes

Canonical text8d6c0ee6f64cf78bf2e46b14725ce490bec7b40ced77419eae6bc2f489cc2e34
Markdown425047eb0b6ef2d548e040a7833cbc1cacc9e7dd0d5b16c828ff60c0e9110730
PDF
Publication page02c5f1440190bb3ccd2971f2aef7987fb392a431ce5b00552246aa32626cabd1
Manifestde149e7f2e70e4b8d068978bac9d661a59208f6b17425f22f0379efcfcc19873

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
SignatureWq2/WvdJLFbauBKXEytTUyPGC2NBodfZ0Nn+syiC6/8yF5c2sScNaQxmBskRgb2HGGm7/+lhdtsufVnyIjJPAA==
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

2026-09-17T11:47:21.721385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025335
observed 02c5f1440190bb3ccd2971f2aef7987f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.704737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025335/manifest.json
observed de149e7f2e70e4b8d068978bac9d661a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.669149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025335/publication.md
observed 425047eb0b6ef2d548e040a7833cbc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.651273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025335/publication.txt
observed 8d6c0ee6f64cf78bf2e46b14725ce490...
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.