OpenTechnical

OT-2026-000043361

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000043361) never changes.

Identity and time

Publication numberOT-2026-000043361 · never reused
Internal UUID01a0ae7b-327e-79b0-af34-436705865d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043361
StatusPUBLIC

Content hashes

Canonical textd4a63126e41ab25c4d5f7a9f7a9225e1cd15b5283f0e64eddce25eab783ebad8
Markdown8415f08c1e54cf74ed8b4c24de2b84a57d487b5946436b9a3df86b538ba34cf5
PDF
Publication pagefcbc3f8265a724228943dd5f922b6c6c80de71ab2c373dd8f350277b01e5b01c
Manifest93bb8b348be1322fb865bc9412fc11227f547c3e038743ab33ef1b28d3d9f9dd

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
SignaturegBuPxV1LdYbjqmLH1olLHlrHxhZ7+I5DzH8RGkx/JSc9PaYEY5j+RKi0MYjdF7nKczGzhS+gaafsc4RxB+OPDA==
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

2026-09-17T11:13:52.880766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043361
observed fcbc3f8265a724228943dd5f922b6c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.861820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043361/manifest.json
observed 93bb8b348be1322fb865bc9412fc1122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.842693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043361/publication.md
observed 8415f08c1e54cf74ed8b4c24de2b84a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.823674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043361/publication.txt
observed d4a63126e41ab25c4d5f7a9f7a9225e1...
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.