OpenTechnical

OT-2026-000050093

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050093) never changes.

Identity and time

Publication numberOT-2026-000050093 · never reused
Internal UUID01a0ae81-fd79-700e-bc03-bd1407a4e4d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050093
StatusPUBLIC

Content hashes

Canonical textbb9a539ea2c85fd6986595401b05a81d1d78c8613abb995d5d424cb1fbe652f0
Markdown9d118f2f09f3c383088f8eb6c3e481580c519b2187944cd34e6f178f6b817ba7
PDF
Publication page4b414f855af24a6b94c0f81e3785b5893a6918170319e2818150c7d7c843986c
Manifestca63f85b6f9bfbe5ff5f32e3d50bf4a469face602bc58124782731626f812e69

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
SignaturewmBA6UuVpPHTo3F949CQrs6Pt7fhzXAQbALEBJ0bE3HUoyG00k+U451zkvns1Ni0NcvH3IJyRrO+eZCBkbKWCw==
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

2026-09-17T11:02:05.473803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050093
observed 4b414f855af24a6b94c0f81e3785b589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.455508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050093/manifest.json
observed ca63f85b6f9bfbe5ff5f32e3d50bf4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.435526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050093/publication.md
observed 9d118f2f09f3c383088f8eb6c3e48158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.416484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050093/publication.txt
observed bb9a539ea2c85fd6986595401b05a81d...
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.