OpenTechnical

OT-2026-000048449

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048449) never changes.

Identity and time

Publication numberOT-2026-000048449 · never reused
Internal UUID01a0ae80-4de5-7a58-8bd4-ae133fe5cfe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048449
StatusPUBLIC

Content hashes

Canonical text3a15b42984612260e2b82a2f8a3800e2fe3a9caefb501cba04e4ac8bba89be7a
Markdownab8a3b285e3d3e4e17daba389cd92e6a664cc4e105fad0d7f3da47a98e70f9a9
PDF
Publication page350c61060ec1603793bfcc4f3aacb639fed494fc2df9c84de0c98f69b90ae744
Manifest445a7ec252c9dece2f955daed351350edf2caf0125367ccc8d8b632b97ebb830

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
SignatureYYHvqDlRtgY6NUX+NhoSczE6QsOgPpiAuBiaVCH+MaRZiHK0b6h5h4GY5TnDrQ9MdDL0hBAPYsG13/6P9K8rAQ==
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

2026-09-17T11:05:06.242052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048449
observed 350c61060ec1603793bfcc4f3aacb639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.223671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048449/manifest.json
observed 445a7ec252c9dece2f955daed351350e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.203890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048449/publication.md
observed ab8a3b285e3d3e4e17daba389cd92e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.185021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048449/publication.txt
observed 3a15b42984612260e2b82a2f8a3800e2...
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.