ISRC USKC60910142
Verified recording
USKC60910142 is “String Quartet No. 1: IV. Canzoneta: Andantino quasi allegretto” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x45edb7842d237413d37f12f860dcb063cc2e15e0ff900e4b459a660b80a6bb0a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC60910142.
Recording identifiers
- ISRC
- USKC60910142
- Title
- String Quartet No. 1: IV. Canzoneta: Andantino quasi allegretto
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x45edb7842d237413d37f12f860dcb063cc2e15e0ff900e4b459a660b80a6bb0a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e02179420892cc0ad4c74e7c492ddb7099cf537caf289a474d0c8f25edbb956d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC60910142
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1: IV. Canzoneta: Andantino quasi allegretto · Machine-readable JSON-LD