OpenTechnical

OT-2026-000050491

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050491) never changes.

Identity and time

Publication numberOT-2026-000050491 · never reused
Internal UUID01a0ae82-5c49-76ae-a6d0-28cd315decd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050491
StatusPUBLIC

Content hashes

Canonical text03e6de92a8a66d09bec67cb9553943db7032c8101791e0cbbee7b8c39581c7e4
Markdownb666953fbdd0412c2931a61551a1aded6fd9834deb1e307d58e3bf6733dcd9d8
PDF
Publication page8083b8a4fd7e08a383451f0ff4d02f19a8367968963214985f4ebfc8b96bab56
Manifest0d2abc94a85cfcfd03abb3efa0972c1809419a00c4aa43148ec818f2edaac79a

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
Signaturex1MDw+GPca6JaEQzy+6ZEjtG6qznjDL9HWZpQqUTsQek8gJzI+5MvYFxG5OCkam8oISu+hxfoNJmPNq8lBOWCg==
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

2026-09-17T11:01:32.825417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050491
observed 8083b8a4fd7e08a383451f0ff4d02f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.809183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050491/manifest.json
observed 0d2abc94a85cfcfd03abb3efa0972c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.794283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050491/publication.md
observed b666953fbdd0412c2931a61551a1aded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.778765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050491/publication.txt
observed 03e6de92a8a66d09bec67cb9553943db...
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.