OpenTechnical

OT-2026-000025270

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025270) never changes.

Identity and time

Publication numberOT-2026-000025270 · never reused
Internal UUID01a0ae71-5fa6-7972-9a4f-19e1605eb48f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025270
StatusPUBLIC

Content hashes

Canonical text5f9e8393089ca11d3947c3ea38eb0bb4c23ad04789dda60c981e95351d88f87b
Markdownb5fabb3dd855ce19677182984e857320b40847f1bb01ffb0c5f82a85d7e81d8a
PDF
Publication pagefa5e6b7e362821268a82e7e147baa3a24ae0c1c2bb8cffed4b01e24a7ed9dcb4
Manifestb57a589a41748777a476acca2bdc1a7469dd2d4c2823421c42eba0d4d78ba75e

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
SignaturerU45AWomASjrka20uJqaWfJEfyiOzs72kPDsJzh6uQkfiYyw/9ub4xc7N9u32We3YGy3Kfr7h3kYr10WkQh6Cg==
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

2026-09-17T11:47:16.721827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025270
observed fa5e6b7e362821268a82e7e147baa3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.702734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025270/manifest.json
observed b57a589a41748777a476acca2bdc1a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.684078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025270/publication.md
observed b5fabb3dd855ce19677182984e857320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.666511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025270/publication.txt
observed 5f9e8393089ca11d3947c3ea38eb0bb4...
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.