OpenTechnical

OT-2026-000038398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038398) never changes.

Identity and time

Publication numberOT-2026-000038398 · never reused
Internal UUID01a0ae78-2d52-77ff-9f49-e5f5f1fb45f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038398
StatusPUBLIC

Content hashes

Canonical text826e8cc54cb760f9b9cb1a81b99a55b7b0de8b118666be5e8f221e9c78fc1479
Markdown6fac54d2ae71e470bccc9d8c1be6962661e9ad5741d644c4c56d83959ccaa5f9
PDF
Publication page2aea8d7f314ebdf642e433b7f32310bd6adefc514fbc014ae8fa421a86c9dce8
Manifest93406849e46ed11aa35e87969abe1a445c07f7575a85e88a26f11aa4312ef163

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
SignatureRDhFNDptn0SgbSp/WswdyXbgibk62Q1wTLGRbt10s+C2zhvau7fry/fotYNrUGRtyq4KCgtGMV+Qz6FylOZaAg==
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

2026-09-17T11:22:36.413586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038398
observed 2aea8d7f314ebdf642e433b7f32310bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.397420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038398/manifest.json
observed 93406849e46ed11aa35e87969abe1a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.379925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038398/publication.md
observed 6fac54d2ae71e470bccc9d8c1be69626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.362478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038398/publication.txt
observed 826e8cc54cb760f9b9cb1a81b99a55b7...
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.