OpenTechnical

OT-2026-000012165

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000012165) never changes.

Identity and time

Publication numberOT-2026-000012165 · never reused
Internal UUID01a0ae6d-39f4-7d7e-b5ef-e2c34b0cf1f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012165
StatusPUBLIC

Content hashes

Canonical texta63afc25dc54656b1a7b8584fb184f22b6ff4f7d82956e2d134a466f2cc5f6d6
Markdown36bb572ea9ca5beb0cd966c3c070eeeedec420713228d9a92ae56cada9e96af1
PDF
Publication paged7c707be1cbe38bc4a5864b21a8f5594cba96a42117aa488b3564a92d3c6d42d
Manifest4b3bd11bc9b6897826252e03cd16b7e709545ffa1ec6f64a8b9b3ab800dbc54d

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
SignatureuG8+45wGVjvbjyawNE4BvT+hROcVnMORdGoM7Il8midsDI4W1rnlvE8L45rOxDY6w3pRnCWCG21wQkS2+llgCw==
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

2026-09-17T12:11:03.850907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012165
observed d7c707be1cbe38bc4a5864b21a8f5594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.832366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012165/manifest.json
observed 4b3bd11bc9b6897826252e03cd16b7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.813328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012165/publication.md
observed 36bb572ea9ca5beb0cd966c3c070eeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.792083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012165/publication.txt
observed a63afc25dc54656b1a7b8584fb184f22...
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.