OpenTechnical

OT-2026-000047522

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000047522) never changes.

Identity and time

Publication numberOT-2026-000047522 · never reused
Internal UUID01a0ae7f-3e59-7fa9-9f66-abee0f4293e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047522
StatusPUBLIC

Content hashes

Canonical text3325b5b46fdd9a8923c74df045406b1f77e918b7b48fdfa69b527fcf8e0c9c69
Markdown8dc8c8b9420aceb0c7d3bb8aac18b8a31ffdf784238135a9ae421574db0bf02f
PDF
Publication page4741ee2980116b8a04da467361157273934944e72cd5fc18ec1025cc92842d00
Manifest431ad0e51178584fefcea3e4232c52bca257539cfd2525d8e6dbc56c483713ca

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
Signature8VastztVMbFur2xspEyCCKEn9KWBKppo0LAzpbNWV8NEiG5SChHXGkgXLGozJ30QPaWL60FB32AFZrnO8q1fAA==
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

2026-09-17T11:06:37.998926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047522
observed 4741ee2980116b8a04da467361157273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.980370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047522/manifest.json
observed 431ad0e51178584fefcea3e4232c52bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.959798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047522/publication.md
observed 8dc8c8b9420aceb0c7d3bb8aac18b8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.939068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047522/publication.txt
observed 3325b5b46fdd9a8923c74df045406b1f...
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.