OpenTechnical

OT-2026-000103035

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103035) never changes.

Identity and time

Publication numberOT-2026-000103035 · never reused
Internal UUID01a0aea4-be3d-763c-beb6-3d00932a2168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103035
StatusPUBLIC

Content hashes

Canonical text6191fdc66c7f09ca73ce498c58fda7ab5c0a173f1eec028413ba64612c2f49c4
Markdown2b8b83a1ca709830b70e5b38ce12ed51fd4338b78aa65dedcca57d5512a2024f
PDF
Publication pagead076271b5ef3fb6d9e13e944d13add1739c3b98e6998afb4656c90cb202bee6
Manifest045c05792ae17e614f4c315446959985e7780c4d8d6f360eaf4bf5da37aeb21b

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
SignatureF5IkXqvZWgMS1xdnyGnQUe3ZpbBIqDqg9+oyqEv9wamXufe5P9CkC+SvfUbF5W9b1titoCq9rJNwNc80XHQjDw==
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

2026-09-17T09:23:09.472048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103035
observed ad076271b5ef3fb6d9e13e944d13add1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.455635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103035/manifest.json
observed 045c05792ae17e614f4c315446959985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.439676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103035/publication.md
observed 2b8b83a1ca709830b70e5b38ce12ed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.420103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103035/publication.txt
observed 6191fdc66c7f09ca73ce498c58fda7ab...
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.