OpenTechnical

OT-2026-000039816

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000039816) never changes.

Identity and time

Publication numberOT-2026-000039816 · never reused
Internal UUID01a0ae78-d8d5-7b94-b228-8cc01efe3fa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039816
StatusPUBLIC

Content hashes

Canonical textec95bfb7a5def1062a7f1dd1f62b57111d644c2eadf063a668223dc53b0c5f6d
Markdownd0612c383e36207a82252ed717150818a05b823fb0276363e11395d54af2fe62
PDF
Publication pagebabb6a7844b57e6979596e2f4a46a6edb772bbe9f9ae375267072dfe5872b7e9
Manifest3771d628a73b0572020d13c85a69709956cc136bffce88a8f9f3fb42d29c6a7b

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
SignatureqROLtl9z66HnCgYNhooGp+y5DfV6EOViTtBLbtOdCuOMvlGbDHqho0dbrUpke86w33EFJC3VWo5F7yjl75dKDg==
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

2026-09-17T11:20:03.263144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039816
observed babb6a7844b57e6979596e2f4a46a6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.245690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039816/manifest.json
observed 3771d628a73b0572020d13c85a697099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.226542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039816/publication.md
observed d0612c383e36207a82252ed717150818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.208764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039816/publication.txt
observed ec95bfb7a5def1062a7f1dd1f62b5711...
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.