OpenTechnical

OT-2026-000044498

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000044498) never changes.

Identity and time

Publication numberOT-2026-000044498 · never reused
Internal UUID01a0ae7c-39d8-70f0-9c41-c843f605fb4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044498
StatusPUBLIC

Content hashes

Canonical text56dd38327d700942f55a9c7c724f1196c0c2ea030c056ee5b22f5cc699d389f2
Markdown9ab13859bf20c31499ac1aebf0393a42e79ad9911190f9b360a23434a7e08c52
PDF
Publication page736375e7a8e9ff8269ebde6a13c99eadf31789368703400a51ff9f7e6b9fbfce
Manifest1d2c082b02c9deeeda995b3f40cc9e898bc7e882bbb3f461ab98bcca34b1dbba

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
SignatureYHJHRDuIlGdNLwtn2LxweCZbOXRQrV54Nl7KhPhL5i65yZ5EGGwtP+HZDk63ZkysYuR4sHlR+rzJPyy24LRdBA==
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

2026-09-17T08:30:58.288625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044498
observed 736375e7a8e9ff8269ebde6a13c99ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.268227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044498/manifest.json
observed 1d2c082b02c9deeeda995b3f40cc9e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.243046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044498/publication.md
observed 9ab13859bf20c31499ac1aebf0393a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.224769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044498/publication.txt
observed 56dd38327d700942f55a9c7c724f1196...
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.