OpenTechnical

OT-2026-000029797

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000029797) never changes.

Identity and time

Publication numberOT-2026-000029797 · never reused
Internal UUID01a0ae73-5e24-7525-bf9e-a817b686668e · 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-2026-000029797
StatusPUBLIC

Content hashes

Canonical text91e58a3dfbaad969791e5321cf684404526a49ff65b5e6a6290b3094067a96ae
Markdown616b09195654a5ece3d266a25d888c25db12e04ba111a271224b880bcedad205
PDF
Publication pagebc63653a71cb0417efca095275869061743a6bba2d6ea8462a705137f46187c9
Manifeste0d12658ae6ee935af1beff40724ce421806fd86669196f4f92d256208064622

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
SignatureCdeMQszFrfjYYk8uDpt37I9ZMkC1mDmL1zW3a91bHF1xyJYZ6HcDJAMh/24weAKBblhwxsUw1TLwLEtN8FHtCQ==
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

2026-09-17T11:39:34.094962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029797
observed bc63653a71cb0417efca095275869061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.078487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029797/manifest.json
observed e0d12658ae6ee935af1beff40724ce42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.061473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029797/publication.md
observed 616b09195654a5ece3d266a25d888c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.039728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029797/publication.txt
observed 91e58a3dfbaad969791e5321cf684404...
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.