OpenTechnical

OT-2026-000005559

Publication integrity record

Bellows cup vacuum gripper, four zone face, plant vacuum fed, contact triggered on the face

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-2026-000005559) never changes.

Identity and time

Publication numberOT-2026-000005559 · never reused
Internal UUID01a0a93d-2a44-718c-909e-3ace8813d67b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:33.158483Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005559
StatusPUBLIC

Content hashes

Canonical text034005e2d04a4bd39066f7491fc107a95a2583d748562ac064982d18b3a393fe
Markdownea83626a45a674f98d27fc48ffd0c787a22102cc4f1ca3660199774aa90b1702
PDF
Publication pagec9c4d00b4a34d2d48d48600f7b68cdde4cbc0c1061d280561a6b8a1a7fee1571
Manifest817e2e18073578f1826d0d04bc78da4d6f8b0ef8ed6a81eb6dddf8f32396f9e3

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
SignatureoCam74UH79bTtcKoBeWmrUG0mXvG6NF3uILqMFL1qF2ERh3b7wGOqGJUF4ldCK5Uq8TC9edaE8CuaFGnMuFPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:26.739233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005559
observed c9c4d00b4a34d2d48d48600f7b68cdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.723791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005559/manifest.json
observed 817e2e18073578f1826d0d04bc78da4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.708975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005559/publication.md
observed ea83626a45a674f98d27fc48ffd0c787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.693248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005559/publication.txt
observed 034005e2d04a4bd39066f7491fc107a9...
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.