ISRC USSM19904176
Verified recording
USSM19904176 is “Cancion del primer tono (after a Canzon by Nicolaus Gombert)” by Luis de Narváez,
registered on the CopyrightChains blockchain with CopyrightID
0x37c47c98b7450b8796909e889617050721ec18b1913aea7fd3884afed6d3323f and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19904176.
Recording identifiers
- ISRC
- USSM19904176
- Title
- Cancion del primer tono (after a Canzon by Nicolaus Gombert)
- Artist
- Luis de Narváez
- CopyrightID (CopyrightChains transaction hash)
0x37c47c98b7450b8796909e889617050721ec18b1913aea7fd3884afed6d3323f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b4b411fbf5ea750bba58018464408619e5b6739ea30ab8310d3835d89a8b8b19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19904176
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Cancion del primer tono (after a Canzon by Nicolaus Gombert) · Machine-readable JSON-LD