OpenTechnical

OT-2026-000025585

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000025585) never changes.

Identity and time

Publication numberOT-2026-000025585 · never reused
Internal UUID01a0ae71-5fa8-7b8d-bc79-4b645ae29926 · 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-2026-000025585
StatusPUBLIC

Content hashes

Canonical text23a7dac5b7552b7c32a9a0de901b635617a7d10c59d576c1a23e4de52494e334
Markdown90b1378ea93a3694dc08807b3a08fffba88894a1aca353d273c47065499155a4
PDF
Publication paged88c673764b331b983524d9873116dfdb41cbc80d16affe56d8e58b503f70654
Manifest94a5b551d2c6e0b515ad7e8e0c2622f97c974c5248a2ae94c7bf8a2279468908

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
SignatureFi8ja5gaEa/BWTOr0fJH3TSJ/jgXoGgfKotpDlFGy+jmfdaKsai8ixtljgd975TNJO7kb2icgVxr49+U6wToBQ==
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

2026-09-17T11:47:45.093251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025585
observed d88c673764b331b983524d9873116dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.074988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025585/manifest.json
observed 94a5b551d2c6e0b515ad7e8e0c2622f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.052282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025585/publication.md
observed 90b1378ea93a3694dc08807b3a08fffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.031142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025585/publication.txt
observed 23a7dac5b7552b7c32a9a0de901b6356...
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.