OpenTechnical

OT-2026-000048361

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048361) never changes.

Identity and time

Publication numberOT-2026-000048361 · never reused
Internal UUID01a0ae80-4de4-71d3-bd55-0d97a2a3352a · 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-2026-000048361
StatusPUBLIC

Content hashes

Canonical text69af340552913b713ebe9163cc277b08f5f8bb067618d1254bc64855e4b4dbd8
Markdownc7b38f854a3e885048e1fd74053f2ab89ebe200dacce579d54f39fc93bac4dde
PDF
Publication page5352a06b652b4e3bf107f87c0cf1f75171473dddf92a4656a8fc1d5b5f5029f7
Manifest38580e05f341cf0215aa97f5dddcd53bb29fb7e23ded979670f92b85b4b375d3

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
SignatureX9QuOmEgXYr8AAocfytkk70+t+FU09xC2FrlVRlxMmsJqMV1w/XHsBXxegj17qvBfzdjimjZDNGZ2t6qAU0JDQ==
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

2026-09-17T11:04:58.917641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048361
observed 5352a06b652b4e3bf107f87c0cf1f751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.896373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048361/manifest.json
observed 38580e05f341cf0215aa97f5dddcd53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.877013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048361/publication.md
observed c7b38f854a3e885048e1fd74053f2ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.857666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048361/publication.txt
observed 69af340552913b713ebe9163cc277b08...
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.