OpenTechnical

OT-2026-000016729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000016729) never changes.

Identity and time

Publication numberOT-2026-000016729 · never reused
Internal UUID01a0ae6e-5918-7663-8db1-46cff802f6c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016729
StatusPUBLIC

Content hashes

Canonical text632645d2d6ffa91c9136a0de2e9deb05cb7e768dc78535680c8d9b548b618239
Markdown4a769b136dcb72952091e7d2d44a84cd975cd8a1f0da1164ff377e74c9ba4487
PDF
Publication page10188cafefef5b9c0d3e665ff6928281b77820f2e17821a09783c321c0879863
Manifestcce666610d693c0758d2f0678b8109c70ade6422b5c8177d43e49483a19b85b9

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
Signaturez5jRaUY5Ouol49vI+KCu9er+PPNlAqWL2X5H01ImvfQcGsKkTphkKlAR0l+v6JGn++ejxFd8TYMvd4lGuAO6Bw==
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

2026-09-17T12:02:57.562425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016729
observed 10188cafefef5b9c0d3e665ff6928281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.545039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016729/manifest.json
observed cce666610d693c0758d2f0678b8109c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.526808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016729/publication.md
observed 4a769b136dcb72952091e7d2d44a84cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.509274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016729/publication.txt
observed 632645d2d6ffa91c9136a0de2e9deb05...
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.