OpenTechnical

OT-2026-000029368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000029368) never changes.

Identity and time

Publication numberOT-2026-000029368 · never reused
Internal UUID01a0ae73-5e20-7491-8c7d-6b9d12ed54b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029368
StatusPUBLIC

Content hashes

Canonical text8b79d8d2f3dd6db4395387b8bf3f902a824d70eb8b5b55cd8a8b7cd1fb20d0c3
Markdownb5265c9700a86394e70f90ba5bae1c56146f9cbe63647e9158f75361d101a0f5
PDF
Publication pagea96f60c9f598b5af0637e55ab85fc2ebd6ea0b619e402a5468cd54a8ac865b1c
Manifest7ed67742da3dc28997f1486d6cf3d111449122c9dc058356aff045884f4540cf

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
SignatureZvw+UOXyW7wfUiD7kUM5XynOWWgpufdEu71nSN+Nf9SrH2PDg+vU3K3EwGNrDJ6r4e8bgJR3EeZ8cEEz063oBg==
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

2026-09-17T11:38:55.671688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029368
observed a96f60c9f598b5af0637e55ab85fc2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.653136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029368/manifest.json
observed 7ed67742da3dc28997f1486d6cf3d111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.633893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029368/publication.md
observed b5265c9700a86394e70f90ba5bae1c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.615806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029368/publication.txt
observed 8b79d8d2f3dd6db4395387b8bf3f902a...
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.