OpenTechnical

OT-2026-000103350

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000103350) never changes.

Identity and time

Publication numberOT-2026-000103350 · never reused
Internal UUID01a0aea4-e45f-7e1f-8f02-109e57ec90d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103350
StatusPUBLIC

Content hashes

Canonical texted83e81cb3ae7d307038cd62959c33f8ce15817d8e756ddfcfebb27b6b6c2925
Markdownf261083af08e9c11868270fccbf6604f6d07be6a967fb9ba805861e66cef52f3
PDF
Publication pagea07b15d45a703e847bf1ab2c0dc46d6550188d7be05b8415248e52954d4586fa
Manifest312c3dab7232177690b6822c0a20105fc4f34f6dbd072d1e057c99b3b08e4275

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
SignatureaXomKWT6qK+gzGUvXJo0GMzST7PkC63f0hec+m3hXd8uZw/eqgJgBjmDHmSS+3XOsbM+sD1O1cvH6AzLrSeFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:04.912597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103350
observed a07b15d45a703e847bf1ab2c0dc46d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.893997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103350/manifest.json
observed 312c3dab7232177690b6822c0a20105f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.877942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103350/publication.md
observed f261083af08e9c11868270fccbf6604f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.862272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103350/publication.txt
observed ed83e81cb3ae7d307038cd62959c33f8...
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.