OpenTechnical

OT-2026-000032909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032909) never changes.

Identity and time

Publication numberOT-2026-000032909 · never reused
Internal UUID01a0ae75-4842-7aa3-8f85-0a1594e32228 · 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-2026-000032909
StatusPUBLIC

Content hashes

Canonical texte245546a50d835fc804c415cdc006bf4d84efa0b60f93c24f2d9a32d3fa4f820
Markdown9a5cca0b500d5709c393aed094a8332f109999e0de56de796dde27e7e0a30eb5
PDF
Publication page863fcd8220579a460a2c6a8eab045dc9b68270fbc7bf7b62aada5b722227c2e3
Manifest3a36d713e285d8de5d3b941b0fb11185fcc7fff0804fc2ef834fe992f4b42f71

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
Signature8t/1fd/hqQ5QVZoxMVTtOeGlCztaXuiRdGWPQQO+azm/+Y3ZdmIGZghTK5ArQIrx3V2zs9LKRALhcYpDYzazAg==
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

2026-09-17T11:32:29.980904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032909
observed 863fcd8220579a460a2c6a8eab045dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.965841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032909/manifest.json
observed 3a36d713e285d8de5d3b941b0fb11185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.950396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032909/publication.md
observed 9a5cca0b500d5709c393aed094a8332f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.926736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032909/publication.txt
observed e245546a50d835fc804c415cdc006bf4...
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.