OpenTechnical

OT-2026-000038817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000038817) never changes.

Identity and time

Publication numberOT-2026-000038817 · never reused
Internal UUID01a0ae78-769f-706f-90e0-e89c003fb2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038817
StatusPUBLIC

Content hashes

Canonical text7ae3207477258a6268e703eee1f4ff1c03a8681b7fa2a99f3d623b7f5da71279
Markdownf72f9402c7aa22de0d85e3d9b3a7690d91cfb183ce2dfb036243b15f050c5c5e
PDF
Publication page548e3e42f6217883f4aad8576db662831e935746766560019c0ba96205202471
Manifestff92a1d2182a546d16c22a35dc432fd76db35f32725dfef95936eb8decdda6cd

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
SignatureFSK/VJWzixg0TAWHz++cYcS9sYE7k8PwKyYFjVpBxWqeTPRzhlnmwoNdAAsx/v7kFj/5s/pMC+83EngWK5ogCQ==
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

2026-09-17T11:21:22.562929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038817
observed 548e3e42f6217883f4aad8576db66283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.544271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038817/manifest.json
observed ff92a1d2182a546d16c22a35dc432fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.523876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038817/publication.md
observed f72f9402c7aa22de0d85e3d9b3a7690d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.502003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038817/publication.txt
observed 7ae3207477258a6268e703eee1f4ff1c...
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.