OpenTechnical

OT-2026-000046309

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000046309) never changes.

Identity and time

Publication numberOT-2026-000046309 · never reused
Internal UUID01a0ae7e-57cb-71a1-a3f1-8e09a5723644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046309
StatusPUBLIC

Content hashes

Canonical textec0dad5b59abf3e90942b8f93b3c2760ae5463e6439ebd7ff85a93164d6d996c
Markdown89d0ca69249e916346b8b669a25c4f114f1c70a7b6682026d34ad02c1bbf7719
PDF
Publication pagec7277342fd93185ca922d8d5adac262473c41938c71376a2aa5cdc472686a213
Manifest13fd0e1c2176e78c8bbfa23a5e283a4ddd0fe872286a69b1a8bde02434c50138

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
SignaturefkjIR1CzESXPt6Z2/feMwq01gs4y3w9h165Q7Hz9vAJ52B7HlQTXV6gEDwE4FymahWeVhGL7kbXiQhBDGU61DQ==
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

2026-09-17T11:08:16.928202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046309
observed c7277342fd93185ca922d8d5adac2624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.911438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046309/manifest.json
observed 13fd0e1c2176e78c8bbfa23a5e283a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.892137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046309/publication.md
observed 89d0ca69249e916346b8b669a25c4f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:16.872270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046309/publication.txt
observed ec0dad5b59abf3e90942b8f93b3c2760...
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.