OpenTechnical

OT-2026-000064437

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064437) never changes.

Identity and time

Publication numberOT-2026-000064437 · never reused
Internal UUID01a0ae8d-a461-7066-8c8b-db7675ef7cb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064437
StatusPUBLIC

Content hashes

Canonical text81ab1ddc6a53f2169c73d0d754c8c7fed92004a4ae4689a73d4ebf6cc62da8cb
Markdown1b06ff1f9a59500b90a5d13b0817f70240b83836fe6098fb801bf6b1257f5b09
PDF
Publication pagece49af825a978a3f3d3ec171e5aab8a463ce4a4e3e6d7c1edce63f04ce65165b
Manifest8c25d65fc64b843c77bc689039de3813c9f0afc63bece975e5b9d1ea75b61a3e

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
SignatureCG/VkkmhWUUHOv2cjDuJukOTGswYk1ZrDoy10x9Tw41bM/39Y3OhMxswPhm7n2LcF5InpVUzH5VlbAOB3IEtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:37.333625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064437
observed ce49af825a978a3f3d3ec171e5aab8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.316765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064437/manifest.json
observed 8c25d65fc64b843c77bc689039de3813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.298313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064437/publication.md
observed 1b06ff1f9a59500b90a5d13b0817f702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.281895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064437/publication.txt
observed 81ab1ddc6a53f2169c73d0d754c8c7fe...
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.