OpenTechnical

OT-2026-000029345

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000029345) never changes.

Identity and time

Publication numberOT-2026-000029345 · never reused
Internal UUID01a0ae73-5e20-7198-b6e5-8426df473cea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029345
StatusPUBLIC

Content hashes

Canonical texte6ea416d26a0e7493f110a0163cadd64d59513f2926c59c7d3ea6bbf68e9c0be
Markdown0c9ce158bfbce6932c1ca14ba44c33cc07dd22adcfab8d3e72ce79fb97b48184
PDF
Publication pagebc41b2c678b67253495a4deaf0ffffe25d2dd247fddcda2faa985deae37b0f1c
Manifest1980500518fedd8dc156f7ad30def9c94fc45eba4916040890d229480d3dd940

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
Signaturef6065bp9qjd50nUeOmWVanEZCN4YOUf47VbjwDcMwOvBjQTRdG0PTdnLLemU5E1TAHtwaBMGaCA3M/Twx0PAAw==
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

2026-09-17T11:38:53.821107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029345
observed bc41b2c678b67253495a4deaf0ffffe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.802419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029345/manifest.json
observed 1980500518fedd8dc156f7ad30def9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.784059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029345/publication.md
observed 0c9ce158bfbce6932c1ca14ba44c33cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.765673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029345/publication.txt
observed e6ea416d26a0e7493f110a0163cadd64...
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.