OpenTechnical

OT-2026-000019669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019669) never changes.

Identity and time

Publication numberOT-2026-000019669 · never reused
Internal UUID01a0ae6f-1fb3-7cbb-9167-c7d37d4b7f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019669
StatusPUBLIC

Content hashes

Canonical text3ebea00a2bae77bf9037ee894c0df5847cedd8e99d6f056f1387518029256286
Markdownef7af5319809eee663000331d2841d1399c26ff8dffea3100db8fd43863a2186
PDF
Publication page3d9e1dbbba090a53340406335bf70ce3f16b1382d6c12918a9a680c96432e0bb
Manifest0762f997ba9794820fbc22f2871ff9e9abd46b35cc0fd9499e3ef451120b60b4

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
SignatureRyanQdvm5hZepxkN0KwyX+2aVGHHsnLwZ8ZqJnSSkmjaABxqNwfwTcMVKJTUXReXjHjSCE/S8qEiPrAdtJ0FBQ==
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

2026-09-17T11:57:44.255689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019669
observed 3d9e1dbbba090a53340406335bf70ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.236287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019669/manifest.json
observed 0762f997ba9794820fbc22f2871ff9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.218004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019669/publication.md
observed ef7af5319809eee663000331d2841d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.198220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019669/publication.txt
observed 3ebea00a2bae77bf9037ee894c0df584...
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.