OpenTechnical

OT-2026-000022022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained 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-2026-000022022) never changes.

Identity and time

Publication numberOT-2026-000022022 · never reused
Internal UUID01a0ae6f-bb5c-7d9b-a3d5-a3f9a29ff2f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022022
StatusPUBLIC

Content hashes

Canonical text75d7208fc5953d3a2892e2a3afaaa9f6baf88669f1e64f8eb882056f102d7cd1
Markdown98da454ef3f15e3f621344e13516740ea8b68ac80b22708d3e1073dd42c29cef
PDF
Publication page61e7ea1392a238c8397f7400e2c07f2d70474626dca6419858b7c6c504456650
Manifestebb9d6624907c8093c6081b87541fe73c200c95b0d0ac2213fe04ebeb6ada1f0

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
SignaturedOhBRsDd7cK2cyMFiGF+AzTNNnCSfYESJknNhUcZTG5JPIM4XgYATf8vqWVVBbDN24R7mXfJ5wpTLEL4W5U0Bw==
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

2026-09-17T11:54:42.419735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022022
observed 61e7ea1392a238c8397f7400e2c07f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.401641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022022/manifest.json
observed ebb9d6624907c8093c6081b87541fe73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.385331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022022/publication.md
observed 98da454ef3f15e3f621344e13516740e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.368629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022022/publication.txt
observed 75d7208fc5953d3a2892e2a3afaaa9f6...
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.