OpenTechnical

OT-2026-000091851

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091851) never changes.

Identity and time

Publication numberOT-2026-000091851 · never reused
Internal UUID01a0ae9d-43ba-79f5-8456-e95a89a9088e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091851
StatusPUBLIC

Content hashes

Canonical text7ca2cd9a12b7aca889616d9ad0cbcde9f70cc9726f0c3676bd9c6e13b077344e
Markdownfb7cf3dedae4d1155348d4c3486a900149b63cf32ad07f28370f42b2f03b1e45
PDF
Publication pagec999176062a6fdb66226e3fb28f1a6d1b2b0dcc04f195038c4b25e3132b2b569
Manifest19e189d6ca8b55564e26fea09d1960a17ab12aa37a59e2ade3835ef133216222

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
SignaturehWg9AdetAd+1KXyYubKh1L2x2WhpYfUcW4JnaC9dRtnAHcJK5fLUiOT4Y4rIAi5rrx/XhIIbC5oECsa3div0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:46.488274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091851
observed c999176062a6fdb66226e3fb28f1a6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.470852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091851/manifest.json
observed 19e189d6ca8b55564e26fea09d1960a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.453615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091851/publication.md
observed fb7cf3dedae4d1155348d4c3486a9001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.432408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091851/publication.txt
observed 7ca2cd9a12b7aca889616d9ad0cbcde9...
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.