OpenTechnical

OT-2026-000047840

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000047840) never changes.

Identity and time

Publication numberOT-2026-000047840 · never reused
Internal UUID01a0ae7f-c421-75a2-a87a-2587aa55715d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047840
StatusPUBLIC

Content hashes

Canonical text4a69a7a5a84ab391c9904f59bd10382ea7eb9e266b46bc3136ecc619c9ec6675
Markdown07e02130b9e303d429f91252f11695f8f5db9a4572c1a4026ef73d5479ea0de2
PDF
Publication pagec3c5168381ab1ace5970b17c4e644055eefc363b05bf0150309bc24d993ac75e
Manifest404dc3f635588c89343dd7da53c17f082b98f30703a9818698fb48cb79036a3d

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
Signature3X7NpLTogTfu9x5JFBNw2uAUy4zd01939l4tjJPdPGWqHovhAVwgrt3r7vH8KP3P/Iw97tKFP9JTST0UOLebBg==
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

2026-09-17T11:05:45.405495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047840
observed c3c5168381ab1ace5970b17c4e644055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.385659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047840/manifest.json
observed 404dc3f635588c89343dd7da53c17f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.365674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047840/publication.md
observed 07e02130b9e303d429f91252f11695f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.345547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047840/publication.txt
observed 4a69a7a5a84ab391c9904f59bd10382e...
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.