OpenTechnical

OT-2026-000084919

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000084919) never changes.

Identity and time

Publication numberOT-2026-000084919 · never reused
Internal UUID01a0ae99-43b6-7b8c-9062-edfc3fce31e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084919
StatusPUBLIC

Content hashes

Canonical textc60db534b9b956989557325885f9867fe9da25323878f20f7b48041294652c93
Markdown8ca657e6bb87cfdee13ee6b6d3fdfffee8c995e1d02a0c5eb7a26d1f49a0d48e
PDF
Publication pagec4bde4fd60c434ae816d76f02c5d28c1d37ce7f8437f2e1541e9d76af9ec1ebf
Manifest72f89c495f1a33a80440ff7e8f211f2813ea3db01a2d988c369a6e9f36383090

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
SignatureLW0nA9JfvymBFQ1QzKu/dJxPp3xhf0bTgKASCnlaW+rRsuezIQ+4bJO1y5NyLGrUVNcHATw33bnSC3d9nqBdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:54.192246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084919
observed c4bde4fd60c434ae816d76f02c5d28c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.175590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084919/manifest.json
observed 72f89c495f1a33a80440ff7e8f211f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.155969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084919/publication.md
observed 8ca657e6bb87cfdee13ee6b6d3fdfffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.137278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084919/publication.txt
observed c60db534b9b956989557325885f9867f...
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.