OpenTechnical

OT-2026-000049120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000049120) never changes.

Identity and time

Publication numberOT-2026-000049120 · never reused
Internal UUID01a0ae81-134e-79bf-922a-6fa7da3f6d90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049120
StatusPUBLIC

Content hashes

Canonical text36f73e9a741ae7169811decc1f7fc0db6b9d640b5b6bee1b7f0bf957827f02fa
Markdown30fd3522230e7a80b70eaa9bf917ca7b86f0c42502b2a89e8fbeb7f0d6e4f67c
PDF
Publication pagea92d19e7826bcd8a5c6d635ac6bd31a9e0a4739c3c284dcf24a0452268f62e30
Manifest61eb9ebd168db6164dac473bce03d4c647e80433c48b8685c47087df53fd2d77

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
SignatureWwekJsX28AOMwvoHHtrdnJB86ikgQ6JOdZCBr+LNGXl4y49gpFjJEJ3fT6b5cgqiaELlXHUNhMEh2bWtssbbCQ==
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

2026-09-17T11:03:22.956871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049120
observed a92d19e7826bcd8a5c6d635ac6bd31a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.938159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049120/manifest.json
observed 61eb9ebd168db6164dac473bce03d4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.920541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049120/publication.md
observed 30fd3522230e7a80b70eaa9bf917ca7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.901488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049120/publication.txt
observed 36f73e9a741ae7169811decc1f7fc0db...
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.