OpenTechnical

OT-2026-000098311

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000098311) never changes.

Identity and time

Publication numberOT-2026-000098311 · never reused
Internal UUID01a0aea1-e965-78da-ba1c-07e5e11853c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098311
StatusPUBLIC

Content hashes

Canonical text1f43a1340ee2461ac3499fcbff9163bbf7d949f64c0c337ed3039af739239deb
Markdown25f9b8ff3a674c8276d0874d4eef39b69c8b84036e635d24daba9c0f9e55d13f
PDF
Publication page093377c5544ee82f706bb97be21da20278c5d444abaed637bb68f0fbdd3e3307
Manifest92d7c2da2ab5e17b7627235766eab51376535a876b1e308e797f0a246fbd8760

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
SignatureTqdrxLnNtnSeXB/qvwYBxg851rZYENg0gSKHce8jHgebnmhs4n0crPwTAsrse1PQsnS6/8pSdrZ9RUKbEFeLDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:30.964144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098311
observed 093377c5544ee82f706bb97be21da202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.948153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098311/manifest.json
observed 92d7c2da2ab5e17b7627235766eab513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.931421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098311/publication.md
observed 25f9b8ff3a674c8276d0874d4eef39b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.915339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098311/publication.txt
observed 1f43a1340ee2461ac3499fcbff9163bb...
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.