OpenTechnical

OT-2026-000048589

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048589) never changes.

Identity and time

Publication numberOT-2026-000048589 · never reused
Internal UUID01a0ae80-4de8-7b67-bab3-a03291c74890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048589
StatusPUBLIC

Content hashes

Canonical text5b2ed2366f34f9c867d412cc7866f15426770d310459f60bb2243cde891bb93d
Markdown3e4b02c258caad1dc30612ff47780c4e0bc97a54e1ebc8166ab4b30f67c70679
PDF
Publication pagee366027622d5134279ea61cea64f184643388b4d1a24db031eb87fffeaf6ddf3
Manifeste4d7cd798fd94cf64089f4190e0b4a8a809475bc67ed9a3b0397607e739bb71a

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
SignatureuBlC1lmfZdndxdqVrZrGJ/5Urf9Uq/9gplYoPV7MxiOF//pskPs98nqv+vqdas9pIiDBI2cb7mVEhFz4pUrmDQ==
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

2026-09-17T11:05:23.899208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048589
observed e366027622d5134279ea61cea64f1846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.880681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048589/manifest.json
observed e4d7cd798fd94cf64089f4190e0b4a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.861617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048589/publication.md
observed 3e4b02c258caad1dc30612ff47780c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.843098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048589/publication.txt
observed 5b2ed2366f34f9c867d412cc7866f154...
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.