OpenTechnical

OT-2026-000042307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000042307) never changes.

Identity and time

Publication numberOT-2026-000042307 · never reused
Internal UUID01a0ae7a-5d73-7855-988f-fa0f5ec0504a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042307
StatusPUBLIC

Content hashes

Canonical text6c8b2b42e523298dbc1c070cd23a02b2bd1545014784825ebe8e359161cd7e94
Markdownc56e73872503973d7c1ba36e02d0093cc4026bf100ca77ed5c9bc5365aeca7bd
PDF
Publication page38e69214a9f37d3d464b6b26981ba78ca301b861583d685bbc09524e370bdb91
Manifest0d1e714b5dbd1a2ff82a4e3f0e9376e6a8170eba16339108cb5c17efbab2cc5d

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
SignatureCaFkO+cSm/6GpdLXHJGlR86SPzaxf3lqVDIUoqWiPgg6yusoPijfrL+0efZ52Bt7QdfrPWmiURyo8F1IcX3dCA==
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

2026-09-17T11:16:00.447780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042307
observed 38e69214a9f37d3d464b6b26981ba78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.428312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042307/manifest.json
observed 0d1e714b5dbd1a2ff82a4e3f0e9376e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.409744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042307/publication.md
observed c56e73872503973d7c1ba36e02d0093c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.392625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042307/publication.txt
observed 6c8b2b42e523298dbc1c070cd23a02b2...
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.