OpenTechnical

OT-2026-000019016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019016) never changes.

Identity and time

Publication numberOT-2026-000019016 · never reused
Internal UUID01a0ae6e-d523-712b-af85-b67acff176e6 · 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-2026-000019016
StatusPUBLIC

Content hashes

Canonical textff055ba35998f67893ab72d2f7ac1582fff820f526f9be22d2691d921f60e67a
Markdown63271c64fbb8903171b36d4d6a3e0bf54ce7ad2ef1daee1a9d774975ad0fccbb
PDF
Publication page09b1cd4a108bc3bfa1cbe23d7fb15dbc296f36133d83f8936fe405ef783c019a
Manifestccc8dd872f3ee9d2df8c044280a168075d97c75d280e0f90077964d40debe711

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
Signatureb+fTFv4uI8pFbbb0XEk42yvtP/iSJ3MyuCC607M0FCiZtqiHgyFRoNUENSzcoZxc7Ar1PdTWrfFsGlh+ZNcSDQ==
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

2026-09-17T11:59:42.333985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019016
observed 09b1cd4a108bc3bfa1cbe23d7fb15dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.316418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019016/manifest.json
observed ccc8dd872f3ee9d2df8c044280a16807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.296841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019016/publication.md
observed 63271c64fbb8903171b36d4d6a3e0bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.274839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019016/publication.txt
observed ff055ba35998f67893ab72d2f7ac1582...
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.