OpenTechnical

OT-2026-000020108

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000020108) never changes.

Identity and time

Publication numberOT-2026-000020108 · never reused
Internal UUID01a0ae6f-4378-77d2-89d8-7f811bf742b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020108
StatusPUBLIC

Content hashes

Canonical textd74d1dcbd9c7ac174c1d3b8c3de6cdf032df6a5eb685e7ed9571b99980f93723
Markdown366d508eff3310c537a9a9ef2366df151063fe9b34b86af6bb2079e5ade7e268
PDF
Publication page594e2118409288143ad8999921df027e558aa8fe0b303a46b5fa18d10ee2ebab
Manifestdfac7aed1297a12964d8e74c97ec1e3b2753323492d32ea540e54690f7155280

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
Signature3uiFYPMIf/6yE5NF3yKe47LVwdKTKbYJtD9P4tHjs6wpsJNsZQHvPnTOyK5wHRTHAgGXY+foxAAKO2dJ8q/pCg==
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

2026-09-17T11:56:24.359470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020108
observed 594e2118409288143ad8999921df027e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.340870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020108/manifest.json
observed dfac7aed1297a12964d8e74c97ec1e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.323323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020108/publication.md
observed 366d508eff3310c537a9a9ef2366df15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.305809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020108/publication.txt
observed d74d1dcbd9c7ac174c1d3b8c3de6cdf0...
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.