OpenTechnical

OT-2026-000006186

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, pressure verified

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-2026-000006186) never changes.

Identity and time

Publication numberOT-2026-000006186 · never reused
Internal UUID01a0a952-42f7-7467-a1cd-b62b8cc4d135 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:35.738996Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006186
StatusPUBLIC

Content hashes

Canonical textcabed7e3d94ae9d1d58574aa6fb45c61821afadba34eba32ebfcf1596f84e4d3
Markdownfb5e099da255076c15f140bb078c4378a19ec5a68576565635628acfb7b320c1
PDF
Publication page8ab6cf6a608ca18c9c11beeea174d9a148f65ff0042dbde22d220e061df1d6d3
Manifest663f4d0f9cb47f547568feb5cfa7b620412e4389b392e48cc029ccc117b9d6c3

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
SignatureT7Grux2Wmz62/ILFrVsDIcaIhcDxhg2Re/EcJn8mYLJWYkHH9NuHnLfxgbRYFmJpDLtPA/3J2u5rOMThwb02AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:17.647694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006186
observed 8ab6cf6a608ca18c9c11beeea174d9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.632918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006186/manifest.json
observed 663f4d0f9cb47f547568feb5cfa7b620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.496356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006186/publication.md
observed fb5e099da255076c15f140bb078c4378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.481198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006186/publication.txt
observed cabed7e3d94ae9d1d58574aa6fb45c61...
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.