ISRC CNUM71600010
Verified recording
CNUM71600010 is “Mazurka-choro” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x6157dc0593f789c3161fe9b37687f2bcc2f6d43e2593919c3b4433874a8a1d3d and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNUM71600010.
Recording identifiers
- ISRC
- CNUM71600010
- Title
- Mazurka-choro
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x6157dc0593f789c3161fe9b37687f2bcc2f6d43e2593919c3b4433874a8a1d3d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:39a81d3dc1fc2b757f4314ff247c3ac691b5146d3940f0a67a37e3d07550b194- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNUM71600010
- Bitcoin block existence check
- https://blockstream.info/api/block/960264