ISRC USSM15000271
Verified recording
USSM15000271 is “Quatre Poèmes de Guillaume Apollinaire, FP 58: IV. 1904” by Francis Poulenc,
registered on the CopyrightChains blockchain with CopyrightID
0xa57be95ded1652642a819266f02dad76b026f00d91721fe98e1df3d587b0f10c 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/USSM15000271.
Recording identifiers
- ISRC
- USSM15000271
- Title
- Quatre Poèmes de Guillaume Apollinaire, FP 58: IV. 1904
- Artist
- Francis Poulenc
- CopyrightID (CopyrightChains transaction hash)
0xa57be95ded1652642a819266f02dad76b026f00d91721fe98e1df3d587b0f10c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:6ef2c6ef9aff3f0252f46de75e4df5a0f5bdb4fc40104a7060c103b13eada6fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15000271
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Quatre Poèmes de Guillaume Apollinaire, FP 58: IV. 1904 · Machine-readable JSON-LD