OpenTechnical

OT-2026-000046305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000046305) never changes.

Identity and time

Publication numberOT-2026-000046305 · never reused
Internal UUID01a0ae7e-57cb-7277-988c-0bf92f28afcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046305
StatusPUBLIC

Content hashes

Canonical textd22e78368a2090e28c7efce6fbfe9a8a5a1db80de40aeaf8016945b754ce8d65
Markdown7b512098e3e191d4174997251da8723a2a381386c30bad63bcae5d518918737b
PDF
Publication pagef390da382a48c5e5cbf2ad550150ba33baed416b89bb29896f420a80f17077b0
Manifest4ad5366338a4098dd8b6e9b97b372717b8d4d78ccaf9dad698fb0bcd621c9362

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
Signaturehprf+wZRwqsL+mXQ1kkrgxrlT1lDAtCocLJvZrPyVm3ieuqa+2E0m0qU432vDrH1+rHuwyPsLEK4bg/N24scDw==
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

2026-09-17T11:08:16.620001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046305
observed f390da382a48c5e5cbf2ad550150ba33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.601778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046305/manifest.json
observed 4ad5366338a4098dd8b6e9b97b372717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.583182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046305/publication.md
observed 7b512098e3e191d4174997251da8723a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.564132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046305/publication.txt
observed d22e78368a2090e28c7efce6fbfe9a8a...
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.