OpenTechnical

OT-2026-000029228

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-2026-000029228) never changes.

Identity and time

Publication numberOT-2026-000029228 · never reused
Internal UUID01a0ae73-2aa0-7674-b87b-5d65f23cae1c · 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-2026-000029228
StatusPUBLIC

Content hashes

Canonical textcc024813a1555fc61caab5f0e1f29c3a5cc27f2812877156653f9d20d30c7c42
Markdown2a28fbbe314567901cf6d2598b811e157193debb40deaf399e51f4557e4d66d6
PDF
Publication page937481bf40e32983397846e0cc6fb935b7dec3da1e80245441fec64ebcbef758
Manifest68ec6c71c4e82f70a1c8df97ff8a300c91a321a370fdc93728d3d1521162e549

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
SignatureLqlaO0x8C7pGRIzKBXf/jc20SpqEIaZYK1ALd+7RfYg9a2y11MNZ72WgeWOh+Hvs1nQKHXvcG2+lFp3dLHoCCw==
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

2026-09-17T11:39:51.078984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029228
observed 937481bf40e32983397846e0cc6fb935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.061780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029228/manifest.json
observed 68ec6c71c4e82f70a1c8df97ff8a300c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.043749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029228/publication.md
observed 2a28fbbe314567901cf6d2598b811e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.026655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029228/publication.txt
observed cc024813a1555fc61caab5f0e1f29c3a...
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.