OpenTechnical

OT-2026-000013425

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000013425) never changes.

Identity and time

Publication numberOT-2026-000013425 · never reused
Internal UUID01a0ae6d-6fca-7338-a49b-23759a94c5a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013425
StatusPUBLIC

Content hashes

Canonical text1e9b1618407f9b00ce2650db7acef8b11de04af4567153199f87138f8e0d998e
Markdown01ef4c60de887a7e9be0fa8444d7241f3a62a43d47726a8f78c22bf9e6c38771
PDF
Publication pageb0a0e5f39192927e965741ce62e5c7cd556b51cf21ffa0418721fcaa7be763b7
Manifest2476a4e0db941b67707e3994cc647483dcb0d934aed7d0ea8695697880cafdbc

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
Signature94nyNacrx/b/JqAYl9YPSl+Xl0M69StXrMgcXXnDpY5q4s1qXbjzZUzoKLjgzdsZIKCF4AuNXGq3czUULAYKCg==
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

2026-09-17T12:09:54.555166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013425
observed b0a0e5f39192927e965741ce62e5c7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.538308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013425/manifest.json
observed 2476a4e0db941b67707e3994cc647483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.520012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013425/publication.md
observed 01ef4c60de887a7e9be0fa8444d7241f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.501951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013425/publication.txt
observed 1e9b1618407f9b00ce2650db7acef8b1...
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.