OpenTechnical

OT-2026-000030736

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000030736) never changes.

Identity and time

Publication numberOT-2026-000030736 · never reused
Internal UUID01a0ae74-3fb4-7c17-9e02-1d759abdcc7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030736
StatusPUBLIC

Content hashes

Canonical textadaa12c2c8f978e21ff8d9edc26ea7c70cd40bd7141918ddc1b6166a33add7fa
Markdown49e8228418c371d7889f4bdaf07bd862d37409014282ff611284a7ef7d2e108c
PDF
Publication page1db528460ee6ebd4633ba1415711f0534785c91b8563130005f83231b55319db
Manifeste8411f8f755b69f4dd0570353a0779daab153346751114d736086f31a8cfb4a0

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
SignaturewWP6Q//3GV9/QZMYDbw9IlX4RcNjrhTkdDUFojavjhsDcliT+bc78Srj3/fZiS7zL7y8cFfHzKkbhdP3GE6dAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:40.259318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030736
observed 1db528460ee6ebd4633ba1415711f053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.237395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030736/manifest.json
observed e8411f8f755b69f4dd0570353a0779da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.216681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030736/publication.md
observed 49e8228418c371d7889f4bdaf07bd862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.140985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030736/publication.txt
observed adaa12c2c8f978e21ff8d9edc26ea7c7...
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.