ISRC USSM15000280
Verified recording
USSM15000280 is “Calligrammes, FP 140: VII. Voyage” by Francis Poulenc,
registered on the CopyrightChains blockchain with CopyrightID
0xb152e36ddc40bd58519f016583724be32cac79680dd6df1e51fa9f02f04996b9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15000280.
Recording identifiers
- ISRC
- USSM15000280
- Title
- Calligrammes, FP 140: VII. Voyage
- Artist
- Francis Poulenc
- CopyrightID (CopyrightChains transaction hash)
0xb152e36ddc40bd58519f016583724be32cac79680dd6df1e51fa9f02f04996b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:782f0cb44cc1ed457cce5b9c1520ad0c6df171034202ab10b69ce06a9675bcb5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15000280
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Calligrammes, FP 140: VII. Voyage · Machine-readable JSON-LD