OpenTechnical

OT-2026-000011804

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000011804) never changes.

Identity and time

Publication numberOT-2026-000011804 · never reused
Internal UUID01a0ae6d-1941-7c06-97ea-2f35ef47d61e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011804
StatusPUBLIC

Content hashes

Canonical text93ee5cd987588f3d7971f629a15264bc7f4207a7b6614a748bf0762c1fa5dae9
Markdownddbc37df84caadce4694bf3478668c36f041936cd7b9d9cd32a795325f25773d
PDF
Publication pagee8ca4fb67ec8e984429b564378e54cacee247030d0980a966bf9e17bdfd89a78
Manifest884cc3fac3da7544f2bbfb8915e6ff9fcd4d8e606e925fd34bdad583d8af22b3

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
SignatureP0JbmvcGMQYYYWHmmoPcaeixXb18Bq5PnSXBTlKDULAbAjx7WqhFb9WbemIiFQwMu3fYgODFYKxj0gsdoeUtDQ==
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

2026-09-17T12:12:31.842725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011804
observed e8ca4fb67ec8e984429b564378e54cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.825432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011804/manifest.json
observed 884cc3fac3da7544f2bbfb8915e6ff9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.807121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011804/publication.md
observed ddbc37df84caadce4694bf3478668c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.789174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011804/publication.txt
observed 93ee5cd987588f3d7971f629a15264bc...
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.