OpenTechnical

OT-2026-000004124

Publication integrity record

Vacuum cup gripper, ejector fed, pulsed blow off after set down, rubber cups, flat form

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-2026-000004124) never changes.

Identity and time

Publication numberOT-2026-000004124 · never reused
Internal UUID01a0a90f-409a-7e8a-bbe4-d2235d5c7688 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:12:24.220999Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004124
StatusPUBLIC

Content hashes

Canonical text8ef09f4a19bc3fd5b5b1509925af0018947d217f112972a3edc68ff33ac05ea2
Markdown265a1ff86824507876565afb9cb0f0ae8dec2182b547df53e2d3fadbcc2c396d
PDF
Publication page86536b0720c43c6a843c49cd60db5c5eea8f9fd8c9fc4dc6afbf7ceedf781219
Manifestdd9d2b858d77da09e35187dbad988d57d48490beac1acaf89e2b72b33b18a41f

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
SignatureADjGFIhs4C8tU/LT7zGLw4cAOuR2Nz2KWMShabGXJrjqIvAGEjn4qGls1g1+sI6B8eAetGsw6UGaw9tZnDE9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:33.900086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004124
observed 86536b0720c43c6a843c49cd60db5c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:33.885830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004124/manifest.json
observed dd9d2b858d77da09e35187dbad988d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:33.870138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004124/publication.md
observed 265a1ff86824507876565afb9cb0f0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:33.734975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004124/publication.txt
observed 8ef09f4a19bc3fd5b5b1509925af0018...
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.