OpenTechnical

OT-2026-000025065

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025065) never changes.

Identity and time

Publication numberOT-2026-000025065 · never reused
Internal UUID01a0ae71-2729-7d00-83e3-69d791a829d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025065
StatusPUBLIC

Content hashes

Canonical text58c4e91ee30db77bd66dbd7bd755eeae844b9419213698a7009637c42a24c2cc
Markdownf49fa9d4f68ea4fb3e5788ca795a465acc42b07dbe4d4c86bfe790b9b37a68ba
PDF
Publication pagefa254c2df078bedbacc43e27c0cd50da6e8903c46dae1af307de79e338cf9cd4
Manifestb6a9807c157a37b2f68715eda1aec56e0d7f49d317cbc82c40d4ebd807291cab

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
Signature4FvL8xu30FShyZTAeOuScBZQTFZsqWbTrU/6zZLK4AscpIjc73mNgHW9g7NnDGWY/tqX+PsDkQ6LGwn2Am/TBQ==
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

2026-09-17T11:48:28.582757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025065
observed fa254c2df078bedbacc43e27c0cd50da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.566326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025065/manifest.json
observed b6a9807c157a37b2f68715eda1aec56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.542288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025065/publication.md
observed f49fa9d4f68ea4fb3e5788ca795a465a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.524860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025065/publication.txt
observed 58c4e91ee30db77bd66dbd7bd755eeae...
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.