OpenTechnical

OT-2026-000012428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000012428) never changes.

Identity and time

Publication numberOT-2026-000012428 · never reused
Internal UUID01a0ae6d-39f6-79b8-9ee8-8c047fc1d775 · 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-2026-000012428
StatusPUBLIC

Content hashes

Canonical text0b3bc710f85a9d605842c697e2610e7777b93d1666a1f3a1d24529fffd7d9277
Markdown01de4066e1edf9dd10a9fd3908734b9d7551b8d1f583ab6c8c53dc8daa18ecf5
PDF
Publication paged658e94e77e4005606f63dc4150a20e5aedfd138b9188af9a7e794b13bd20b85
Manifestd47141c3b2ae4f0585a5a1b0fc5328ef3a3de3c5218dbeaf3f096cacb82e1b7d

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
Signaturejbs8Y60y3T6rN2YcHG1Kk00nX87AlaEMs/thQnsQ8cUj1zdwMVUzUf5j1byyDLLvoDTiFvBZWA8e2awe6uP5DA==
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

2026-09-17T12:11:55.575550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012428
observed d658e94e77e4005606f63dc4150a20e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.557078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012428/manifest.json
observed d47141c3b2ae4f0585a5a1b0fc5328ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.539825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012428/publication.md
observed 01de4066e1edf9dd10a9fd3908734b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.521978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012428/publication.txt
observed 0b3bc710f85a9d605842c697e2610e77...
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.