OpenTechnical

OT-2026-000025075

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000025075) never changes.

Identity and time

Publication numberOT-2026-000025075 · never reused
Internal UUID01a0ae71-2729-7bf4-9c89-f7bb028d2f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025075
StatusPUBLIC

Content hashes

Canonical text2bd08af5b8ff30935cbb3e1fafae1d5537cff1939154bbbf5c5dd6366630f8d0
Markdown6caaad7ee061b8d892befae812c72cd6c607fb28892cc0d3b31a7ee5fae38e0b
PDF
Publication page21a507662b5fb74a0d75f2cd2086ecbd6666e64cbda6fb51e9416050d95a46a2
Manifestfb9d27c8603d6d5432c52fb36123b2ed6d5f1e3d6542e5347c9b7d5d0bf73377

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
Signature6NN/zcCsBCDr9KTT0e4fI83N58zFDib3K3QFt0Sa3VNa1hdjCqRk4ST9AXR4tNU0HXUyP9hu3j7NpS6HQqSdBw==
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

2026-09-17T11:48:29.386527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025075
observed 21a507662b5fb74a0d75f2cd2086ecbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.367871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025075/manifest.json
observed fb9d27c8603d6d5432c52fb36123b2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.345875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025075/publication.md
observed 6caaad7ee061b8d892befae812c72cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.323531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025075/publication.txt
observed 2bd08af5b8ff30935cbb3e1fafae1d55...
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.