OpenTechnical

OT-2026-000015875

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015875) never changes.

Identity and time

Publication numberOT-2026-000015875 · never reused
Internal UUID01a0ae6e-0c4c-76a7-8a21-090c75060cf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015875
StatusPUBLIC

Content hashes

Canonical text086705e09249358d46484153e8e44885aa90c8baa18d5065871af9c617c011fa
Markdown4bd6365d51ac2dff318d406edb223719d4631dfd53c532c29b7e0e52511cb153
PDF
Publication page8f2e0a34e3a024fecee7439f374ca323c8992c1136e432689041bf5ef2923c70
Manifest0cee7252ab320dc8fede411ac0cfb0aee0e0ad1d56c52a2304ed86d36b986326

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
SignatureV2GwitzjPaBv+PjOZMjrwLEBvvqFyLU6qXGDjaj5dxI9NYDk4obN8yXlJSs0iZPfZzCyeOP5zpwPJhkA/G2JDA==
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

2026-09-17T12:05:19.416242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015875
observed 8f2e0a34e3a024fecee7439f374ca323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.397978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015875/manifest.json
observed 0cee7252ab320dc8fede411ac0cfb0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.378159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015875/publication.md
observed 4bd6365d51ac2dff318d406edb223719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.359028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015875/publication.txt
observed 086705e09249358d46484153e8e44885...
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.