OpenTechnical

OT-2026-000019204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000019204) never changes.

Identity and time

Publication numberOT-2026-000019204 · never reused
Internal UUID01a0ae6e-f391-7df6-a4db-d12c60de16a9 · 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-2026-000019204
StatusPUBLIC

Content hashes

Canonical textd55ea06f9e52de614a3268a6d58fd41418a63eae32efeb487cb68b4920e51e9c
Markdown9cea77e19395deb4550a8020910edca0ae501cce9ff929d5bc328cc60ef25faf
PDF
Publication page6b2939648a96ccc20a3ef9254c51a164cdb2c424c290de023a2ab8e1876998fd
Manifest660c26d58810956433f4a1f000dd9c7c327ed0ed94e6e6e8fd171b6f2bd0057d

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
SignaturemodBiJ9D6pd8Ts5mUF/Eu/vtSbYBepAuMo4xK7EgGqxX/SMmA+oxMtJaTEF8DnjE8cTKvtYkUR2MlTXXxrAbAw==
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

2026-09-17T11:58:31.491985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019204
observed 6b2939648a96ccc20a3ef9254c51a164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.476465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019204/manifest.json
observed 660c26d58810956433f4a1f000dd9c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.459541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019204/publication.md
observed 9cea77e19395deb4550a8020910edca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.442496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019204/publication.txt
observed d55ea06f9e52de614a3268a6d58fd414...
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.