ISRC USA220610462
Verified recording
USA220610462 is “Four Sketches op.15: In Autumn - In Autumn” by Joanne Polk,
registered on the CopyrightChains blockchain with CopyrightID
0xbb2dd9b7c5c2c46c7fb94747a342a59e9d163a002624044652c41a14e193855b and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA220610462.
Recording identifiers
- ISRC
- USA220610462
- Title
- Four Sketches op.15: In Autumn - In Autumn
- Artist
- Joanne Polk
- CopyrightID (CopyrightChains transaction hash)
0xbb2dd9b7c5c2c46c7fb94747a342a59e9d163a002624044652c41a14e193855b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:26a63cd983e77342959ec3cce0a0764584a1a9ac0d0db98e7d429651e1836fb3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA220610462
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Four Sketches op.15: In Autumn - In Autumn · Machine-readable JSON-LD