OpenTechnical

OT-2026-000018737

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018737) never changes.

Identity and time

Publication numberOT-2026-000018737 · never reused
Internal UUID01a0ae6e-d520-7056-9f38-575d03f28a21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018737
StatusPUBLIC

Content hashes

Canonical text46fbc68a846252c1dd1d3a48982c358073c095145d169bade227931ec6d5c6d2
Markdown5342dbbeaf4934aaba682ec0f7524dd2a3206373fd265e43bc48bb1a24db3722
PDF
Publication pagee43b6535b119f48514333f78e61a0fc26ccc038610e66a2d5b1d34848e2df033
Manifestdb33d0164fd6c9c0afc6003ffbe295de190e3d9d2b89ff67107aa7b8610e00a6

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
Signature3XcR4tcwmYsJHTeS2uQL8rE4yij2jMNuJxqnUwcHvBuYgCx9OmLXtTf8X1na6axBrKYsHs0bTg0gjJcajrAOAA==
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

2026-09-17T11:59:20.882520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018737
observed e43b6535b119f48514333f78e61a0fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.864341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018737/manifest.json
observed db33d0164fd6c9c0afc6003ffbe295de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.847007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018737/publication.md
observed 5342dbbeaf4934aaba682ec0f7524dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.830388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018737/publication.txt
observed 46fbc68a846252c1dd1d3a48982c3580...
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.