OpenTechnical

OT-2026-000037941

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000037941) never changes.

Identity and time

Publication numberOT-2026-000037941 · never reused
Internal UUID01a0ae77-f88a-7fdb-818e-606c97ca76f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037941
StatusPUBLIC

Content hashes

Canonical text1a6dcf656241d3574a21aab91b6dcb2e72f7d9cc18d60e451291494659d76989
Markdownd50248e09902a70ee50e9436965ff331082fc1e0597861c7a0a2a8e8861f8630
PDF
Publication page4ac8d658eadc6e3229731aa85bab5171c5f825273ef6149a218fe427da0b8eb0
Manifest6c5fd67f0380a11c2277c71fd79cb73cb6f0393e0df5a0c5ca59a3fde459b6d6

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
Signaturel4LsI1B7NLKzB2aez5QT1D/S39dydFJ8K/k5a5KSqBGV3aENCS/I0GrCeR/54A0kO1+Soa5b7wYR9IeNvWXHDA==
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

2026-09-17T11:23:13.537869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037941
observed 4ac8d658eadc6e3229731aa85bab5171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.519256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037941/manifest.json
observed 6c5fd67f0380a11c2277c71fd79cb73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.501192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037941/publication.md
observed d50248e09902a70ee50e9436965ff331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.482483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037941/publication.txt
observed 1a6dcf656241d3574a21aab91b6dcb2e...
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.