OpenTechnical

OT-2026-000039272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000039272) never changes.

Identity and time

Publication numberOT-2026-000039272 · never reused
Internal UUID01a0ae78-9674-763c-ae07-b1f5645669b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039272
StatusPUBLIC

Content hashes

Canonical text55342bdaabd8405349508e2a940decab0c01af953ad55473b147c9fc59625d13
Markdown90e250fd4ca4753b8d0a586274acfb7ed14c3eb7fee74921995346b48c3bb9c9
PDF
Publication page9b764626971447f5e351d7a02cf75baaaf0fc3f31cb66a73fb8ad9479d34aff9
Manifest5f0a8a6723bab3f04c678e57e9958b8ecb5f9fbe8b448acdb1fbb1990124df6f

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
SignatureTMYoK/zhxheeU7Od8/c75hMZod4OGs5goDVUer7GhdoIgnVtr6DqxS+tsoxQupvM2L6NETh/CRZ9dh11IdP0Dg==
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

2026-09-17T11:20:50.411382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039272
observed 9b764626971447f5e351d7a02cf75baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.394058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039272/manifest.json
observed 5f0a8a6723bab3f04c678e57e9958b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.377605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039272/publication.md
observed 90e250fd4ca4753b8d0a586274acfb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.359932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039272/publication.txt
observed 55342bdaabd8405349508e2a940decab...
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.