OpenTechnical

OT-2026-000067245

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000067245) never changes.

Identity and time

Publication numberOT-2026-000067245 · never reused
Internal UUID01a0ae8f-6bd6-789c-86f6-62ad0ff878b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067245
StatusPUBLIC

Content hashes

Canonical text727f298bd2192822e0c0ccb99d07e94f1fd11f2c241680bd84362528e09546df
Markdown386a28192e8030897502ae43c33606af7d90563d20db236ccb387118ea47f554
PDF
Publication page8683cf94c8639f7e6285b2583dced5ee26eb33641d6e9f9c78577ed113846579
Manifest79d755cbe3631508261c9a211d34aab12006ea5fb7bfc7cd2d1db039b2b16829

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
SignatureirmbVhi+MXMnxbiTEb4kI7sVbUYgTwsNmZbjk7Y+Auv6RMHvvhy8YOnLRHtxDwjB0S0/AkOHkmhzFphIcp+7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:55.068447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067245
observed 8683cf94c8639f7e6285b2583dced5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.053432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067245/manifest.json
observed 79d755cbe3631508261c9a211d34aab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.037296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067245/publication.md
observed 386a28192e8030897502ae43c33606af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.018224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067245/publication.txt
observed 727f298bd2192822e0c0ccb99d07e94f...
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.