OpenTechnical

OT-2026-000030801

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030801) never changes.

Identity and time

Publication numberOT-2026-000030801 · never reused
Internal UUID01a0ae74-3fb5-7d9d-b850-73c52686150d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030801
StatusPUBLIC

Content hashes

Canonical texte4efebed997d21972481921881227c757e47fa1b08534a4faffc65db79bf7eec
Markdown40b56ebdebf87ee8b97f092815bc745832d6542487c4d2be6760a9d7f1ccf109
PDF
Publication page8e7400923d119bc113ac1eb53420237529bf13d8649083aef33259935cddf2e3
Manifest81af6f2c516044bbef7912b2b9deed84e21425d006fa54955a95f87b57b25441

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
SignatureuxAyDZGphQqEHc0WzRgnGWSH1hxRCGCraXZO2qOMf7WLK0RrTJL4VJqKcZ/hSyGhYgncf/ZuZOl7qmw5qfKTDQ==
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

2026-09-17T11:36:46.347817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030801
observed 8e7400923d119bc113ac1eb534202375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.330898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030801/manifest.json
observed 81af6f2c516044bbef7912b2b9deed84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.309738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030801/publication.md
observed 40b56ebdebf87ee8b97f092815bc7458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.291623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030801/publication.txt
observed e4efebed997d21972481921881227c75...
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.