ISRC GBLLH1645509
Verified recording
GBLLH1645509 is “15 Improvisations, FP 63: No. 9 in D Major” by Francis Poulenc,
registered on the CopyrightChains blockchain with CopyrightID
0xc88d1570d19b321989a1735ab1cac6c311056a20ef7f0beef8d9204f25a6eb29 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1645509.
Recording identifiers
- ISRC
- GBLLH1645509
- Title
- 15 Improvisations, FP 63: No. 9 in D Major
- Artist
- Francis Poulenc
- CopyrightID (CopyrightChains transaction hash)
0xc88d1570d19b321989a1735ab1cac6c311056a20ef7f0beef8d9204f25a6eb29
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:d0332eb225077f290612a21c03e57997da2d83cdbf9d21a40bbecceafdd690b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1645509
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 15 Improvisations, FP 63: No. 9 in D Major · Machine-readable JSON-LD