OpenTechnical

OT-2026-000038413

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000038413) never changes.

Identity and time

Publication numberOT-2026-000038413 · never reused
Internal UUID01a0ae78-2d52-79f2-9ed1-528667ddc4b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038413
StatusPUBLIC

Content hashes

Canonical texte285af53df145839e6001b311807b5ee0c6ca6e2d27be40f9f866b2a5414f9b1
Markdown2e4132714b301ac1fdecff7e6e095a5a56711a6ba35b652303449b0f7fc68f7b
PDF
Publication page3267df3a2c0e4188517a12a18d4e48402039d3a990248808810a41ecf7439ac1
Manifestd47ae39622a68d4f55ce961cda66002d906a887840e64abfb4a38214d63196d2

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
SignatureTOgnrQ+vq1Xyih9xdtDR/iGkmhQQAi4XLqbh2Wn+6QYVL198DpyC9NvYHN17Vzvz9RcuBFdYvQCu1ANYnpTQDg==
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

2026-09-17T11:22:37.387984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038413
observed 3267df3a2c0e4188517a12a18d4e4840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.363461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038413/manifest.json
observed d47ae39622a68d4f55ce961cda66002d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.343589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038413/publication.md
observed 2e4132714b301ac1fdecff7e6e095a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.327888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038413/publication.txt
observed e285af53df145839e6001b311807b5ee...
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.