OpenTechnical

OT-2026-000019468

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000019468) never changes.

Identity and time

Publication numberOT-2026-000019468 · never reused
Internal UUID01a0ae6e-f393-75d3-a103-3342b188b372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019468
StatusPUBLIC

Content hashes

Canonical text917c9b772f57a860bf58903a768a68493edbd7fe278ad6a13863a3089df98aec
Markdown1b34814c2a10c368230afa2f3e5cd9c037c4c620cef0cfcc0c810d9bc2f594ea
PDF
Publication pagef6ead236d30532bf47b6b66a13810332d6defd0e41fcfbbf4275de878bac843d
Manifest18de46c53191453106c9ee11a3bbab5fae9e0d138f74679f20d1885d7c1e298a

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
Signature/syf02pQXY9rf8WP8ulwekJ07KQkKbL5z4tUx8MEtwn+TfcPbQfepZQ2LZwZ9bnMDwun7WrUXaegkjXE2ZjFAA==
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

2026-09-17T11:58:52.444322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019468
observed f6ead236d30532bf47b6b66a13810332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.425289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019468/manifest.json
observed 18de46c53191453106c9ee11a3bbab5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.407021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019468/publication.md
observed 1b34814c2a10c368230afa2f3e5cd9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.388758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019468/publication.txt
observed 917c9b772f57a860bf58903a768a6849...
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.