ISRC USMC13600540

Verified recording

USMC13600540 is “When Ruben Swings The Cuban” by Louis Armstrong, registered on the CopyrightChains blockchain with CopyrightID 0xa47339da4cdcf989e178fc3ace0125e68f1f0c54331211e4f6317c04da145a4c and independently timestamped in Bitcoin block 960218 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC13600540.

Recording identifiers

ISRC
USMC13600540
Title
When Ruben Swings The Cuban
Artist
Louis Armstrong
CopyrightID (CopyrightChains transaction hash)
0xa47339da4cdcf989e178fc3ace0125e68f1f0c54331211e4f6317c04da145a4c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05+00:00
Bitcoin block
960218
Canonical record hash
sha256:24681e44f96bb9e339ed7f84db7ae0760f6dce06524cfa9a147b3dac0414319a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC13600540
Bitcoin block existence check
https://blockstream.info/api/block/960218

Full record

Track page: When Ruben Swings The Cuban · Machine-readable JSON-LD