OpenTechnical

OT-2026-000047689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000047689) never changes.

Identity and time

Publication numberOT-2026-000047689 · never reused
Internal UUID01a0ae7f-c41f-7d8a-815d-43c63ecb3b49 · 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-2026-000047689
StatusPUBLIC

Content hashes

Canonical textb4edf5dad08c5499209bb1616c753100ece29b2c7f90362868cb749d0cfa8d08
Markdownff1f7adfec1e607a75aac22b09c2da7646f8c9befdbf9d7ed173446924d02e87
PDF
Publication pagea1ec68436a6c785e0428ea9c4d4e66e228774059894260965bbed335ea8fb290
Manifesta285d43fbb0643c40fd09629bbdfef0bd613f67deee0c29b1d70e276d0295654

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
Signature4TrtQj0gJRKDGjt9PYTmlA784JMUBfQ3OsZKP+c1jTx9W2dhKxDzuKTb1dhTwZHeb/SL+K4dHIGkR0zHt5oKDQ==
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

2026-09-17T11:05:32.409952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047689
observed a1ec68436a6c785e0428ea9c4d4e66e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.388864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047689/manifest.json
observed a285d43fbb0643c40fd09629bbdfef0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.368182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047689/publication.md
observed ff1f7adfec1e607a75aac22b09c2da76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.349721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047689/publication.txt
observed b4edf5dad08c5499209bb1616c753100...
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.