OpenTechnical

OT-2026-000050799

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050799) never changes.

Identity and time

Publication numberOT-2026-000050799 · never reused
Internal UUID01a0ae82-c7b2-78a0-a5d0-bae3734b75b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050799
StatusPUBLIC

Content hashes

Canonical text2cb575a3618a55c4ddd99a38a2de27acd779905513d5309e9eb654ed33869aeb
Markdown41d04961c04bdd52137924336a05fdb60bfdf2d1660c34c43667e35263652736
PDF
Publication page0c37bd102dd0575fa97fd9ff61e205a673df58e93a1bde2c6688bc7be9147c22
Manifest7eb49449e9270567629c8b2aee674461b789dd95c84e824d8c664cd5875367ce

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
SignaturePulwZ4b2sh/txKaUAWaqDh3GPhkTxL1NQwCP/t0hJGJlO2rBnBQpZXo5nvxfsoO3RyUf02rUzCLy8zuRvmuKDA==
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

2026-09-17T11:00:19.587441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799
observed 0c37bd102dd0575fa97fd9ff61e205a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.561587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/manifest.json
observed 7eb49449e9270567629c8b2aee674461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.541172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799
observed 0c37bd102dd0575fa97fd9ff61e205a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.532200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/publication.md
observed 41d04961c04bdd52137924336a05fdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.507018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/manifest.json
observed 7eb49449e9270567629c8b2aee674461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.502660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/publication.txt
observed 2cb575a3618a55c4ddd99a38a2de27ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.472396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/publication.md
observed 41d04961c04bdd52137924336a05fdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.436596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050799/publication.txt
observed 2cb575a3618a55c4ddd99a38a2de27ac...
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.