OpenTechnical

OT-2026-000064701

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000064701) never changes.

Identity and time

Publication numberOT-2026-000064701 · never reused
Internal UUID01a0ae8d-deb9-797a-8283-6a13f248a05b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064701
StatusPUBLIC

Content hashes

Canonical text1c87fb5f066ab708083500d3f62693697235a2f9925e43d6f6687efb64f8e99f
Markdown3d0670214901fdea778948c562ec1f1713df64df0c07d240527e622be9042b63
PDF
Publication pageda0083ece2468a610080f29c6732e1015114b6cc0fb6d4c14c187d0e8da29c21
Manifest75a4d696ec7755a0e55e857800bb698d3272f84f3b94baa36fffcd6b1e00d493

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
SignaturefFYYw0q21op/y4hDMIw5Otn6tCs9tpL4DsXy2qsu/WOsXjxZyYtDNtQ5A5CVmhSxAuwd6DWl7h+3qjSkQD1TBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:34.258496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064701
observed da0083ece2468a610080f29c6732e101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.239493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064701/manifest.json
observed 75a4d696ec7755a0e55e857800bb698d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.219910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064701/publication.md
observed 3d0670214901fdea778948c562ec1f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.200169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064701/publication.txt
observed 1c87fb5f066ab708083500d3f6269369...
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.