OpenTechnical

OT-2026-000032116

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000032116) never changes.

Identity and time

Publication numberOT-2026-000032116 · never reused
Internal UUID01a0ae74-f7a4-72e3-97da-187c1ea599d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032116
StatusPUBLIC

Content hashes

Canonical text8be24c2e489e6c73f0c475abd4a7dca32686388eba1fff3fa07c8e58d29003e3
Markdown3c8a5676296c781ce1ed7090b60e403fcfb7b5b78d36a0201248d1a576039c69
PDF
Publication paged89b6cb90d28b6bf401a382c05509ef2d9ba56f6ccb80cd08314761c3eed8949
Manifest767d86354094d25639834a9d0d4a046cd2c5d63d9ea7a7a989898a259aec2d3f

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
SignatureOeIs6UUrR5l9Mheua02rZDrq1i1Iby4VipsfnlhC2Dk/5lQ4+wJxK1VhWcHsXTim3ZfCnVtYGhSIQwL837k1BQ==
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

2026-09-17T11:34:25.849412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032116
observed d89b6cb90d28b6bf401a382c05509ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.831978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032116/manifest.json
observed 767d86354094d25639834a9d0d4a046c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.812548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032116/publication.md
observed 3c8a5676296c781ce1ed7090b60e403f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.792564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032116/publication.txt
observed 8be24c2e489e6c73f0c475abd4a7dca3...
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.