OpenTechnical

OT-2026-000029665

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029665) never changes.

Identity and time

Publication numberOT-2026-000029665 · never reused
Internal UUID01a0ae73-5e23-700c-94f1-d59b2ab0f7ab · 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-2026-000029665
StatusPUBLIC

Content hashes

Canonical text37a733b17f36f08a3fb34982cf0349ee2b7159da412b698b59cda98bb78920ac
Markdown171482b857dd9af7188a1bbab22a060092a3a7dde3e52933b72af1ac37b8ded9
PDF
Publication pagea9607c72aec0a7c427619a8e6382c6dffbdb828f3e86e35c84d81ffd2e987d33
Manifest5ebcac04541de6567238f67eedf464e2f4ee3a02dd7a7bd5bdc8be3fc02f880f

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
SignatureCfV+cyVVcIo6XMrl7V2dqZU78Q9bM/Tk4jhzQov6x4XqEjPl1mEUrUMyoOrpTKOcgESwi4Lg9e/J4Qe7FOfXDA==
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

2026-09-17T11:39:22.994121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029665
observed a9607c72aec0a7c427619a8e6382c6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.976085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029665/manifest.json
observed 5ebcac04541de6567238f67eedf464e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.954584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029665/publication.md
observed 171482b857dd9af7188a1bbab22a0600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.935328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029665/publication.txt
observed 37a733b17f36f08a3fb34982cf0349ee...
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.