ISRC CNUM71600012
Verified recording
CNUM71600012 is “Valsa-choro” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0xe00a07eead9fc28ebba9d0850b6f20bfbbb2f5cf909dbfa447fb9ed4c575a5d8 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNUM71600012.
Recording identifiers
- ISRC
- CNUM71600012
- Title
- Valsa-choro
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0xe00a07eead9fc28ebba9d0850b6f20bfbbb2f5cf909dbfa447fb9ed4c575a5d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:93ba306077c05efa62b5e06d4090c6fe63e60f487afbcefc577589afae343465- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNUM71600012
- Bitcoin block existence check
- https://blockstream.info/api/block/960368