OpenTechnical

OT-2026-000101426

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101426) never changes.

Identity and time

Publication numberOT-2026-000101426 · never reused
Internal UUID01a0aea4-0e14-7dbd-bbdb-c0848db6854e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101426
StatusPUBLIC

Content hashes

Canonical textd4826db66b06641df7851f77af61ac238042ba9cf17c6ea57d7dbc656558a876
Markdownec555d36aa38228fd05fdfdab530523873d3545b34487f3649c6613d77d3bcd3
PDF
Publication page82285a5c52e982f9262842a004833c761cbfad10e891b9dbae0994aa8ecd87da
Manifest636da587981e178e03180496461c55ef590e375542210149cd4de23a1ea1ca57

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
SignatureLwu2nLAwcGRHf/G2qjmgTQwbGgwALkPwy1RGbvb72rhi+RIwDJDWVCK7xomGLK5CzjfhKOrD8toq96N1JH3rBw==
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

2026-09-17T09:25:58.865367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101426
observed 82285a5c52e982f9262842a004833c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.846441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101426/manifest.json
observed 636da587981e178e03180496461c55ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.828013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101426/publication.md
observed ec555d36aa38228fd05fdfdab5305238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.809833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101426/publication.txt
observed d4826db66b06641df7851f77af61ac23...
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.