OpenTechnical

OT-2026-000041191

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000041191) never changes.

Identity and time

Publication numberOT-2026-000041191 · never reused
Internal UUID01a0ae79-b143-78e9-aef5-6c1e5e455b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041191
StatusPUBLIC

Content hashes

Canonical text75823141f842de9fe56128bd035e410b012387c857aa0ab9b4841809aea671fa
Markdownd2a0befa9a41f20ea2e086eff9c60fe6c0940f77170222c8e553419b8bfa3e2e
PDF
Publication page38eae12ffeeea02614ae0ebddf3fb724c1d3413dffb575902446e5210d39b553
Manifestcfe7161e5abfc105854b8d974def6c140996d47f2d9efc2747ccb9bff5c17a5a

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
SignaturelX02XzSYDcWcT2h/Nxz+PazYPe0KcSEoIusmlE0l/nKD2myUkYtMFdq7eZYFQYRDjShi5V+eDkJ6VDsH2P7eAw==
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

2026-09-17T11:17:08.604099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041191
observed 38eae12ffeeea02614ae0ebddf3fb724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.586544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041191/manifest.json
observed cfe7161e5abfc105854b8d974def6c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.567247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041191/publication.md
observed d2a0befa9a41f20ea2e086eff9c60fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.548469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041191/publication.txt
observed 75823141f842de9fe56128bd035e410b...
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.