OpenTechnical

OT-2026-000029204

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000029204) never changes.

Identity and time

Publication numberOT-2026-000029204 · never reused
Internal UUID01a0ae73-2aa0-7ad1-8dd0-5cd1551cc28e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029204
StatusPUBLIC

Content hashes

Canonical text3199a11a805d3c6d44e298bc24158e33597667382b9552d974cf386db2191eb9
Markdown997403749dbe2153023e4814c31e7d927d66f7bfae0533e2406425b89906f942
PDF
Publication paged636aa719e7617dd359b70ba3ab063e89cdac84b56d27114f81dac4e1fb3f22f
Manifest2ca30ce42b77a3d7120358f366d8698f9a372c755323a0f9a628cf0d088936f0

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
SignaturezXpTcMdkGQ7Yl7sF5XDh3jrmB0HhUQaTpis3tSu6X1fiBICw1/Q1T6f24220ycHl3oQMU3UQcv6krfR6Sm2pCw==
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

2026-09-17T11:39:49.222093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029204
observed d636aa719e7617dd359b70ba3ab063e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.204030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029204/manifest.json
observed 2ca30ce42b77a3d7120358f366d8698f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.186697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029204/publication.md
observed 997403749dbe2153023e4814c31e7d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.167579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029204/publication.txt
observed 3199a11a805d3c6d44e298bc24158e33...
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.