OpenTechnical

OT-2026-000019241

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019241) never changes.

Identity and time

Publication numberOT-2026-000019241 · never reused
Internal UUID01a0ae6e-f391-7163-9fa2-ec5c37148343 · 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-2026-000019241
StatusPUBLIC

Content hashes

Canonical text45c72e07bc8b6d7b03c85eff6c433f13abc9a2a4fb04a770eb6fe7e0ade552b7
Markdown07a8decb6f6b6b88a40f6f87b0d9d5f22550f4a3b403054bafaef58e7ec84609
PDF
Publication page2b42057be6de341287482affa4a58719add650d1e0e73076506e8fb2ab19e048
Manifestbc99c02793267ee2c7049adb2633a749296247761e545250fd19c049146b1789

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
SignaturefxutMvj4z+IvemhvgkX935j5FMNef7O0Uwd7iQCnPr4p534+S4Bz3sbu1lgjndmJXpC2DgEIMGMZBf5w2JdEDQ==
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

2026-09-17T11:58:34.518451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019241
observed 2b42057be6de341287482affa4a58719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.500679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019241/manifest.json
observed bc99c02793267ee2c7049adb2633a749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.481158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019241/publication.md
observed 07a8decb6f6b6b88a40f6f87b0d9d5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.461962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019241/publication.txt
observed 45c72e07bc8b6d7b03c85eff6c433f13...
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.