OpenTechnical

OT-2026-000012186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000012186) never changes.

Identity and time

Publication numberOT-2026-000012186 · never reused
Internal UUID01a0ae6d-39f5-7080-a345-8d97d588e617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012186
StatusPUBLIC

Content hashes

Canonical text3d48edb7b6483fab84d47ff582803fd9e4ce00c3c7d882283b4efd9672d676ff
Markdownbbf9f437940c522cd6b45aa39baa187dd22a9dd3628be93bc17f65850d756d64
PDF
Publication page2da3ac4483ac4d0473c16d5d863b4f123e4a9af3aea60e64156e0178ebc7d738
Manifest5a4ed49602587c876342dc4f93f587cffc829ac56e6c6c912364434fd3e2c357

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
SignaturejAOKpREjue/8kGoaE+pXK6MvJIcIQ0nMZ+fn6YghieKeqztY3o31wQPev+x4N99csgWGX+OuOE9KJlNBJiaoCQ==
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

2026-09-17T12:11:05.492531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012186
observed 2da3ac4483ac4d0473c16d5d863b4f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.475403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012186/manifest.json
observed 5a4ed49602587c876342dc4f93f587cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.458864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012186/publication.md
observed bbf9f437940c522cd6b45aa39baa187d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.438923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012186/publication.txt
observed 3d48edb7b6483fab84d47ff582803fd9...
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.