OpenTechnical

OT-2026-000025521

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025521) never changes.

Identity and time

Publication numberOT-2026-000025521 · never reused
Internal UUID01a0ae71-5fa8-7948-bacf-63c91e70bab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025521
StatusPUBLIC

Content hashes

Canonical text3ca1cb3b5926c6d9f1412a864e52a778d2555098da08f1887c5720070954b3b0
Markdown0a05b85472f14a20b451cb06d7858080838ba05b49685e1396abf8212c561375
PDF
Publication page8b86e40afc82700f70d2deef0f6131a44565fbb2112e7d0d1acad05ed800b716
Manifest0fb3d8d46b13d64f85c06e4ad63a9bc5f2ada2dca7f470022afa38f92bd8f8d3

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
SignatureThGLp3qdPcughfjSn4U7BOBKC1HcMBhM3JOesK2Vtv9dzKAC5d31DSu+Csgl2irLHxOHmioGqbT2eJY2bW6VAw==
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

2026-09-17T11:47:39.651005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025521
observed 8b86e40afc82700f70d2deef0f6131a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.631853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025521/manifest.json
observed 0fb3d8d46b13d64f85c06e4ad63a9bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.610319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025521/publication.md
observed 0a05b85472f14a20b451cb06d7858080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.589527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025521/publication.txt
observed 3ca1cb3b5926c6d9f1412a864e52a778...
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.