ISRC US5UL0704466
Verified recording
US5UL0704466 is “Blackbird and European Robin Duet” by John Lundsten,
registered on the CopyrightChains blockchain with CopyrightID
0x469edc83e1fc52f0131bbb5c9d012c13bb55dae3d27a4d41f20b7d5d7a83efe3 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/US5UL0704466.
Recording identifiers
- ISRC
- US5UL0704466
- Title
- Blackbird and European Robin Duet
- Artist
- John Lundsten
- CopyrightID (CopyrightChains transaction hash)
0x469edc83e1fc52f0131bbb5c9d012c13bb55dae3d27a4d41f20b7d5d7a83efe3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2caf6d3c91ed3c9c40b23550a4df1f11a3006d31766df81abcd42b8dadf6255c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL0704466
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Blackbird and European Robin Duet · Machine-readable JSON-LD