OpenTechnical

OT-2026-000025294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000025294) never changes.

Identity and time

Publication numberOT-2026-000025294 · never reused
Internal UUID01a0ae71-5fa6-7887-b14e-12d14ce8eacf · 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-2026-000025294
StatusPUBLIC

Content hashes

Canonical text6415cc74370304fc788e576d835c88420ce235eeca12b4038251b26ff39f1f2a
Markdown92bd8030b813a150351345e7faac02b544b5c0f777a1ddda1c89940838378142
PDF
Publication page6fe1ef002e1d4e9e015403065c0615291d06eec2f0fb0604dfeece1ebd1c659a
Manifest78ae9a9c0aa1b061b86cfa06a1044dfd1782cbebfc34a481988954b3603970d8

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
SignatureO+QJYib7oZgqxb/tnALrPA5qL2cHWdKsDXcnVJCZ8uH1CGs7/dzeK8E7qOjmSH9bQBHq5bXOUlF1kwL8W8HVBg==
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

2026-09-17T11:47:18.630801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025294
observed 6fe1ef002e1d4e9e015403065c061529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.613959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025294/manifest.json
observed 78ae9a9c0aa1b061b86cfa06a1044dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.595065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025294/publication.md
observed 92bd8030b813a150351345e7faac02b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.576338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025294/publication.txt
observed 6415cc74370304fc788e576d835c8842...
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.