OpenTechnical

OT-2026-000070922

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000070922) never changes.

Identity and time

Publication numberOT-2026-000070922 · never reused
Internal UUID01a0ae91-8c2d-7877-b123-aca25bfc3350 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070922
StatusPUBLIC

Content hashes

Canonical textb4393bb453a4477ce642eadeeea8839462f2ef1133220d3f3d3606911822b6ca
Markdown3f85bfbb1fd36cfd9868889f4261cbd35d7962e91fc9995539b9ba44ff726793
PDF
Publication page0eac1b726f851bd9ca0a6a0329dfeec8ddffb970a211da0ca0632f2081ed829b
Manifest8a6e0911d2e614439da0c56372bd39719f0a039db17fda4d27a2863a7f978968

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
SignatureD+AXEq5bu9jUkhXEYOtqgz4VPSuAOvRb3GlNHcAk0AHeCkUqtRgmejNH4J1Yl2lJBWs1bbGeqyD+BbHoNL8/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:45.391813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070922
observed 0eac1b726f851bd9ca0a6a0329dfeec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.375567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070922/manifest.json
observed 8a6e0911d2e614439da0c56372bd3971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.359372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070922/publication.md
observed 3f85bfbb1fd36cfd9868889f4261cbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.343791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070922/publication.txt
observed b4393bb453a4477ce642eadeeea88394...
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.