OpenTechnical

OT-2026-000047683

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000047683) never changes.

Identity and time

Publication numberOT-2026-000047683 · never reused
Internal UUID01a0ae7f-c41f-7719-a56c-76415dbb5f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047683
StatusPUBLIC

Content hashes

Canonical text2291d3f3d2a359b36689e5f4052ca814a2109cf529700457fc241afc836f5603
Markdown0a6bdc48ef95ac139d813dea0c08860e4ae5d29c4f081de99960d9e72c137858
PDF
Publication pageb1e2b4c9206221debe0712bb6ec562528cbee82c98bde3517fb704a6cd049546
Manifest220d3684e724165d89fc4a1d1e3502552d140ef67cd5f31770ba47285bbcc6b1

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
SignaturesdnioW/cZ5KQXZiakahasUfZB0wJWpsrLdN5oRbmVGp86sllIdwTvjPvOz8MaS9iXjDYfSicJzr5Fb6cWDaBCQ==
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

2026-09-17T11:05:31.898614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047683
observed b1e2b4c9206221debe0712bb6ec56252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.878225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047683/manifest.json
observed 220d3684e724165d89fc4a1d1e350255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.858491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047683/publication.md
observed 0a6bdc48ef95ac139d813dea0c08860e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.839818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047683/publication.txt
observed 2291d3f3d2a359b36689e5f4052ca814...
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.