OpenTechnical

OT-2026-000056329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056329) never changes.

Identity and time

Publication numberOT-2026-000056329 · never reused
Internal UUID01a0ae87-4bd2-7a0d-9f29-321416204431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056329
StatusPUBLIC

Content hashes

Canonical text4b3c225c9cfd507fcca3a6caee650e2cd48dc0088517d889270947cb8fddcabc
Markdown1f090f7d5fb6f3331e108b714e4160e687832a8fb46fb4338b8b24df4028e577
PDF
Publication page2f50a426eaa84035ae3aca69a8eb3ef416d1833b9f39bcc2b490fad84946fd02
Manifestcbc2b57a55d3bf35bc5f8e848afe8ae22ab804c83abb9f15b9dfb9ef33e950af

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
SignatureJw4zDNbK+YA9TPjzUYIkr+qbV8QgpjYweqYAQKgQ19Q91CC517tUNmx+f0wHhIXuj5KhEWG4tMS/JlKDB2HbAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:50.071460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056329
observed 2f50a426eaa84035ae3aca69a8eb3ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.052324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056329/manifest.json
observed cbc2b57a55d3bf35bc5f8e848afe8ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.031075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056329/publication.md
observed 1f090f7d5fb6f3331e108b714e4160e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.009657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056329/publication.txt
observed 4b3c225c9cfd507fcca3a6caee650e2c...
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.