OpenTechnical

OT-2026-000040317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000040317) never changes.

Identity and time

Publication numberOT-2026-000040317 · never reused
Internal UUID01a0ae79-2700-7790-b5f0-7b5ae58e25ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040317
StatusPUBLIC

Content hashes

Canonical textc8580d4f1ed5323a1d8039673bad6b819b36ec4c0101d0131b7200459ab785a4
Markdown4dd0c03e1300bff17f9c43538e9aca02571546c27242b8e21c5b09f356494802
PDF
Publication page076a9da0a27177a46502af1f11541503d0b0162d9505b35c97d74baf3aa912ad
Manifest7b59b451c3d2b2252fa2e3e88c5b0485db2a7e6df89d985412126a7e5ad8e463

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
SignatureElkw8fX/2YcWvdpIOO68QNor8gl42KFNPV9I5SM0u9oXrsaD9B8LMcEMUpl5aZERFlvMDQPv1eqlcbhnORGZCA==
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

2026-09-17T11:19:19.088146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040317
observed 076a9da0a27177a46502af1f11541503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:19.072269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040317/manifest.json
observed 7b59b451c3d2b2252fa2e3e88c5b0485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:19.053951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040317/publication.md
observed 4dd0c03e1300bff17f9c43538e9aca02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:19.035977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040317/publication.txt
observed c8580d4f1ed5323a1d8039673bad6b81...
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.