ISRC USSM19503345
Verified recording
USSM19503345 is “Nonsense Madrigals: 2. Cuckoo in the Pear-Tree” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x58b849f0eda9bb919766f0c480897f8e7c05163d68d76c43e20d9ff3c105b409 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503345.
Recording identifiers
- ISRC
- USSM19503345
- Title
- Nonsense Madrigals: 2. Cuckoo in the Pear-Tree
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x58b849f0eda9bb919766f0c480897f8e7c05163d68d76c43e20d9ff3c105b409
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:f6a5ed2d197912e699c3cfee5bb874e38a0b29612d784bfc706ea5f070631caa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503345
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: Nonsense Madrigals: 2. Cuckoo in the Pear-Tree · Machine-readable JSON-LD