OpenTechnical

OT-2026-000026261

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000026261) never changes.

Identity and time

Publication numberOT-2026-000026261 · never reused
Internal UUID01a0ae71-f4a5-7a4b-bdfd-56c59bb16acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026261
StatusPUBLIC

Content hashes

Canonical text748370e28c087485691ea4da81b65d310362829eb555fbb08fb7262362f23f5e
Markdown7a1a3b3ab5e5757f737c1cc63406c62ad7ab9ab32213283a167b6fb8545df51e
PDF
Publication page6756c3d8ac455bbaae70f14369ca18ce454154e1be7d2229683ed29846d93367
Manifest318695b8074a13efe3e8f7e32ddbcece9f3f7d428c84129ba77aa0fc0c0f3e7d

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
Signature8WvslRFZIQmLitpTf01tf3qbHud0S4DuOpHuhV58x7tCrwctgZpRlFhNkuceHAMcRHwhtmNVcwaiPWf0A26qAQ==
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

2026-09-17T11:44:12.313915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026261
observed 6756c3d8ac455bbaae70f14369ca18ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.298379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026261/manifest.json
observed 318695b8074a13efe3e8f7e32ddbcece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.280710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026261/publication.md
observed 7a1a3b3ab5e5757f737c1cc63406c62a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.265524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026261/publication.txt
observed 748370e28c087485691ea4da81b65d31...
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.