ISRC USRZR1600061
Verified recording
USRZR1600061 is “Blackbird” by Joan Baez,
registered on the CopyrightChains blockchain with CopyrightID
0xb2dbfebedbd968700f44f555068375f43bddfac99fb61a54a58fdd04f3810ba8 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR1600061.
Recording identifiers
- ISRC
- USRZR1600061
- Title
- Blackbird
- Artist
- Joan Baez
- CopyrightID (CopyrightChains transaction hash)
0xb2dbfebedbd968700f44f555068375f43bddfac99fb61a54a58fdd04f3810ba8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:6876fa7ef7d5a0e5e847746b00a980e4246b90ab3089107a16fd42de2035c71b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR1600061
- Bitcoin block existence check
- https://blockstream.info/api/block/953515