OpenTechnical

OT-2026-000098259

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000098259) never changes.

Identity and time

Publication numberOT-2026-000098259 · never reused
Internal UUID01a0aea1-e964-7535-a92b-86a014a076f7 · 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-2026-000098259
StatusPUBLIC

Content hashes

Canonical text07a561784bf9b29434bf5f5b9788b6ceaa00471bb4ae21d84ff20c6a0480c07b
Markdown1763b52cbeaa529687bf57e02d7beacb8f81ad3dbbbd90ab5f98defcca014da9
PDF
Publication page09689599840b9dacf0984601d66e8a0412ab8eeec8de9eb27fc6aa48c326e10f
Manifest021f834708dea202eb7caa04b2901b02f0e0d3661c732cf74959d85a05abd785

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
Signature3zMUDuLGgbW4KWPB/J+mk9wU67+7c7ABOv/zyN0zR5AsW/p+FVX7SCwcN764NtwDRg8TaQtJwvk5P1MM5TJTCQ==
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

2026-09-17T09:31:26.879282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098259
observed 09689599840b9dacf0984601d66e8a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.859658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098259/manifest.json
observed 021f834708dea202eb7caa04b2901b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.839966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098259/publication.md
observed 1763b52cbeaa529687bf57e02d7beacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.820651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098259/publication.txt
observed 07a561784bf9b29434bf5f5b9788b6ce...
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.