OpenTechnical

OT-2026-000044781

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044781) never changes.

Identity and time

Publication numberOT-2026-000044781 · never reused
Internal UUID01a0ae7c-911b-795e-a5d3-fd7515e6141e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044781
StatusPUBLIC

Content hashes

Canonical text30b107c3bd6d9d65c0533c7d8223d615926ddc0d4422cda3a5e69e169ddcdb6a
Markdown0c249f32e54b84a35d0db308e83d7c434b2150e3cd7e730f23d506d6091f30f4
PDF
Publication pagef27338511e00af29e4514690bca155537eec65d7789f8bd2dd88253db0b1dc68
Manifest85c20d4738306fa7ae38110bb55eb6695b876c24178f62ba8e4b35a9806b71a9

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
SignatureCAXxWUQRXU79pNj5xRiXMQi+y6FGHk49Oyv+QliNxAShBsPmUrv+9I1J+UB+3HWEDAbaaB2x5WAM9KzJ50goBg==
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

2026-09-17T11:11:24.387170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044781
observed f27338511e00af29e4514690bca15553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.369680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044781/manifest.json
observed 85c20d4738306fa7ae38110bb55eb669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.350955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044781/publication.md
observed 0c249f32e54b84a35d0db308e83d7c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.332461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044781/publication.txt
observed 30b107c3bd6d9d65c0533c7d8223d615...
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.