OpenTechnical

OT-2026-000095245

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000095245) never changes.

Identity and time

Publication numberOT-2026-000095245 · never reused
Internal UUID01a0ae9f-8f70-71b4-8eed-8fcf7b50cb1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095245
StatusPUBLIC

Content hashes

Canonical textbe2e6564d2f036e4657c2600666dbb9e29405c2ceb774b199a3ada025ca7c409
Markdowndf9faba14022b23f4d552b408d4541218f853866c147c8e987c655b582bd82a8
PDF
Publication page9bae29cec0e968b2a08fecce0381427a67fb3adcd86174a2ab21d8d50ae70018
Manifest9602e000f907e9d469fa70fb9746b5089afa28d33642b0ac7fa5b1553690cfb6

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
SignatureXwBA5uo3JQeW7akxRVIpmKcL3gsbtOyRMtQfwdEKjV93lMTqweKPZdcKZ2wwgkWqhfk6g7mXMMIxFHaNtjxsDw==
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

2026-09-17T09:36:34.237723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095245
observed 9bae29cec0e968b2a08fecce0381427a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.219632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095245/manifest.json
observed 9602e000f907e9d469fa70fb9746b508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.202292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095245/publication.md
observed df9faba14022b23f4d552b408d454121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.185000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095245/publication.txt
observed be2e6564d2f036e4657c2600666dbb9e...
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.