OpenTechnical

OT-2026-000016069

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000016069) never changes.

Identity and time

Publication numberOT-2026-000016069 · never reused
Internal UUID01a0ae6e-0c4e-7799-955c-f47de4346a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016069
StatusPUBLIC

Content hashes

Canonical text460fe3f676b712e8b069821d844267cefb02339153cc25e47a0ce0587261a780
Markdown4cd939f9e1214cbfe718d59654f87c5a3df4a28d5a2968620459b42075adfbba
PDF
Publication page1cc862317bcb9f8c465ebd94e81440d02457bd3241b8c4b8175017ec20a93f77
Manifest3087db8bd0f3b3788825389aee80cf6b2c9cd34d9c063a300bf1b820272e9851

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
SignaturejO97Cu2VQJmep7ejSmKnBC0DPYl2TJRAe6V3pYISqYQFPsdQFPuf81BgKOQMg1UTKiFlyRsMJOr4yAttEgLeDQ==
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

2026-09-17T12:05:38.002964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016069
observed 1cc862317bcb9f8c465ebd94e81440d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.978626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016069/manifest.json
observed 3087db8bd0f3b3788825389aee80cf6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.956128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016069/publication.md
observed 4cd939f9e1214cbfe718d59654f87c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.934395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016069/publication.txt
observed 460fe3f676b712e8b069821d844267ce...
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.