OpenTechnical

OT-2026-000023404

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000023404) never changes.

Identity and time

Publication numberOT-2026-000023404 · never reused
Internal UUID01a0ae70-7268-7901-83c4-5faa390d6a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023404
StatusPUBLIC

Content hashes

Canonical text7a8663c9cb1e81aff01e737d13d196cc44b7130f85ab5cc664b60b528c78ad72
Markdown2c465c69dcf6ce2ef53ac334c8d69d2871787e051375499c3362b9128bf3eae6
PDF
Publication pageafc32aa35fb9d4f313b2c31d69cf563389feccd203cf7556a68149260cbebb57
Manifest9e0d58568c7e4065e01fc8e9d99f3273a817332b1dd37faca630098645834a9d

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
SignaturegsuZn7aneTDk4yOcDm7kuZ9NVvarL2sByHfT90hVu1vSuUf1eQku+Ng+Mgbu9aZz7ZTMuCb/35XLY3IRD1t7AA==
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

2026-09-17T11:51:36.578664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023404
observed afc32aa35fb9d4f313b2c31d69cf5633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.561260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023404/manifest.json
observed 9e0d58568c7e4065e01fc8e9d99f3273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.545001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023404/publication.md
observed 2c465c69dcf6ce2ef53ac334c8d69d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.528272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023404/publication.txt
observed 7a8663c9cb1e81aff01e737d13d196cc...
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.