OpenTechnical

OT-2026-000047455

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000047455) never changes.

Identity and time

Publication numberOT-2026-000047455 · never reused
Internal UUID01a0ae7f-3e58-7a68-b7ad-9ab62d4aec4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047455
StatusPUBLIC

Content hashes

Canonical text5bde3b9b609c3d98ea33c8dc0d4189a74df0cb30e60c1c7dad3142403c5397c2
Markdown85d5c11479f3ae96736827691e77e1f2383446425f40cc07ecc601c6ccc36a88
PDF
Publication page68986fba2a7e1bff9044c333cbebc34c8b271906532d69ba03f70c2be8851b17
Manifest4f95c7952a9df1441e28a670d40c59d7ce9027c84c3802723acc37b87dcfb726

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
SignaturehRG6ifoOzBxk+fbUeWHaqKhIoxvcGQtcaRKH5IBrTvPyGZIQFb9sfLgrZgnDAhFo2uFVxPhqzjpwkg8ogAXnCw==
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

2026-09-17T11:06:29.167942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047455
observed 68986fba2a7e1bff9044c333cbebc34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.147705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047455/manifest.json
observed 4f95c7952a9df1441e28a670d40c59d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.127112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047455/publication.md
observed 85d5c11479f3ae96736827691e77e1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.107422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047455/publication.txt
observed 5bde3b9b609c3d98ea33c8dc0d4189a7...
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.