OpenTechnical

OT-2026-000030616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000030616) never changes.

Identity and time

Publication numberOT-2026-000030616 · never reused
Internal UUID01a0ae74-3fb2-7d7e-b73b-3bfcd097e416 · 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-2026-000030616
StatusPUBLIC

Content hashes

Canonical texte164bb473198fbb0adcc28407130476c97bbc6f6809427191ea17cdb024ed615
Markdown3eca762ad34e08ff9a1732f42552a00db9c5d7bf04ca1b33e4ef358ddba60809
PDF
Publication page38fe04dd67450eb0e03e2cb4450f13a8bfbe09253c8003d26ab6fb3bfd3fca47
Manifest6994e35756950001569b8825bc1556762cbfc3b22fb3cf94082ecf0132b51751

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
Signature77L70tv3VsPVAdv2MGogJAuyCob/Y4I6Ly+nqeaL6dzUatuMYLTZBC2BvAMxjG698d2ssAvB7YZhau9yxZ/wAw==
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

2026-09-17T11:36:29.206883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030616
observed 38fe04dd67450eb0e03e2cb4450f13a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.184738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030616/manifest.json
observed 6994e35756950001569b8825bc155676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.166092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030616/publication.md
observed 3eca762ad34e08ff9a1732f42552a00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.127038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030616/publication.txt
observed e164bb473198fbb0adcc28407130476c...
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.