OpenTechnical

OT-2026-000030389

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000030389) never changes.

Identity and time

Publication numberOT-2026-000030389 · never reused
Internal UUID01a0ae73-e503-79de-a726-03af58362d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030389
StatusPUBLIC

Content hashes

Canonical text117316e8e57a5ba559cc9ad11a38167cedb39e94d70b317feae8d33b96f547c3
Markdown9d8d649c17b96d9e3be7ad4a913e38f5e7932cb2fbfbdcdcaa66378d50540463
PDF
Publication page039a2df5119a5edef80e65c3af170eedd30d49d8cf99534ce9eda4a0480da92a
Manifestdb49106cc21499c068f8b293a4ddfe6ff573d90ca70d4d182e6118f44e7a81a0

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+9fUxP7FkUeiVAu7WsgiVd1g/ubCfBUWBaaYqMgdONZ8bIJpSWEJg6XaA1Q3Q/x2GUMo2HxSwyrgGC4SEEnGCw==
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

2026-09-17T11:38:06.956670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030389
observed 039a2df5119a5edef80e65c3af170eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.938408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030389/manifest.json
observed db49106cc21499c068f8b293a4ddfe6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.921288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030389/publication.md
observed 9d8d649c17b96d9e3be7ad4a913e38f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.904008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030389/publication.txt
observed 117316e8e57a5ba559cc9ad11a38167c...
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.