OpenTechnical

OT-2026-000046175

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000046175) never changes.

Identity and time

Publication numberOT-2026-000046175 · never reused
Internal UUID01a0ae7e-032c-7df8-96cb-0052ef059477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046175
StatusPUBLIC

Content hashes

Canonical textf4a827fe9be01c4d225c91261489196de4c9402207315cf9b9744ed476138845
Markdown2831aa71e0a9032104010cb68998741eee5dd397d52b0a0ff0579e26dfd454bc
PDF
Publication pageb4632c2d3d1c2a1384c378dd4483d36e0919d2ac01740cf58c8c806edd9000de
Manifest9bbf44f437c9979b3cc80407b376a41503180e4ea0034be18ce84c11be545e5f

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
SignatureDsR3jGf0BDnROP0xlIip6Dckj7x5QLPb7WNhm/QTC0GL1PR9n0OQfoyomEwuDxjko1zKrch/x/lwOJoFvtuhCQ==
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

2026-09-17T11:09:10.899889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046175
observed b4632c2d3d1c2a1384c378dd4483d36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.878994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046175/manifest.json
observed 9bbf44f437c9979b3cc80407b376a415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.859257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046175/publication.md
observed 2831aa71e0a9032104010cb68998741e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.838689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046175/publication.txt
observed f4a827fe9be01c4d225c91261489196d...
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.