ISRC FRZ180000007
Verified recording
FRZ180000007 is “Duck's Blues” by Françoise Hardy,
registered on the CopyrightChains blockchain with CopyrightID
0x7a905d16dd5f61aeedb2392cf6597b40faa57bad79fec207f3e59041258a2929 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ180000007.
Recording identifiers
- ISRC
- FRZ180000007
- Title
- Duck's Blues
- Artist
- Françoise Hardy
- CopyrightID (CopyrightChains transaction hash)
0x7a905d16dd5f61aeedb2392cf6597b40faa57bad79fec207f3e59041258a2929
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:bcd346ee3df38c958e18f43f23f874d807d7337522b5861b9813e8b5e4b97b32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ180000007
- Bitcoin block existence check
- https://blockstream.info/api/block/956889