ISRC USSM15000269
Verified recording
USSM15000269 is “Quatre Poèmes de Guillaume Apollinaire, FP 58: II. Carte postale” by Francis Poulenc,
registered on the CopyrightChains blockchain with CopyrightID
0xe7aae7729aa28ed1bca56b3d853f8064045536ab05e67a0e6232b58799234b7b 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/USSM15000269.
Recording identifiers
- ISRC
- USSM15000269
- Title
- Quatre Poèmes de Guillaume Apollinaire, FP 58: II. Carte postale
- Artist
- Francis Poulenc
- CopyrightID (CopyrightChains transaction hash)
0xe7aae7729aa28ed1bca56b3d853f8064045536ab05e67a0e6232b58799234b7b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:007a9f196573b7073e789b4b433be389a51658b7e8187f895eaa691ea44ca30f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15000269
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Quatre Poèmes de Guillaume Apollinaire, FP 58: II. Carte postale · Machine-readable JSON-LD