OpenTechnical

OT-2026-000032814

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000032814) never changes.

Identity and time

Publication numberOT-2026-000032814 · never reused
Internal UUID01a0ae75-4841-7053-bafa-eb70fa1344ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032814
StatusPUBLIC

Content hashes

Canonical textc09c72cd0466fa659eeb834e7ae484ae4d47f2fc7457d63e7b950552d04c794c
Markdown00c7c5835964f8400379b4ed938dd0468ca77f5e423a8fa87b718a78747cfce6
PDF
Publication pagee9c360c69b41fbf544968de8894eb092a5042b4e474f388d10e725eda1d5f3a5
Manifest4c99957a04312dcf6bdcf00aa4e9ca315043aaffd8b9bb4c20638ea0f9c6c843

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
Signaturelbtg82e+eqpAFmdwkE+H49Rq87wheSyCxiEhbI1laGjLihnmDVf6cR+S8wd3+IpWJjLeHiKoFqd8fvrd//ENCg==
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

2026-09-17T11:32:15.969158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032814
observed e9c360c69b41fbf544968de8894eb092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.950781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032814/manifest.json
observed 4c99957a04312dcf6bdcf00aa4e9ca31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.934599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032814/publication.md
observed 00c7c5835964f8400379b4ed938dd046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.918350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032814/publication.txt
observed c09c72cd0466fa659eeb834e7ae484ae...
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.