OpenTechnical

OT-2026-000025866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000025866) never changes.

Identity and time

Publication numberOT-2026-000025866 · never reused
Internal UUID01a0ae71-a83e-7576-8b8e-9bb9a3d3c41c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025866
StatusPUBLIC

Content hashes

Canonical text6aa84a9724243202ef75a2e17bad6f3a81c979177befeb5c96a3dde8dc0862c2
Markdowna9a72add8dc8cc6bba08526afa442c49dee5f2d1e05fe3bef8ba181ac0d96a93
PDF
Publication pagebd6a93439832eac874829b39552bbd6a570275de7ce1880d85cd0ecba8020985
Manifest00ea2359fd9e10e4c3f79933f7084757099c391f371cc5fca87eaea4a961aa4e

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
SignaturezatvwHtzEdrxTFKihEYRPx6X+FRH1xmV4ex9wkOpsbgwPFvNGmoQuvBRXwwBYnxeN8gQO4Zdn3z2Ox8rEpqzBQ==
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

2026-09-17T11:46:06.032375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025866
observed bd6a93439832eac874829b39552bbd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.012629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025866/manifest.json
observed 00ea2359fd9e10e4c3f79933f7084757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.993006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025866/publication.md
observed a9a72add8dc8cc6bba08526afa442c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.973901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025866/publication.txt
observed 6aa84a9724243202ef75a2e17bad6f3a...
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.