ISRC GBAJY2239110
Verified recording
GBAJY2239110 is “California Porcupine Rag” by William Bolcom,
registered on the CopyrightChains blockchain with CopyrightID
0x21f6898c5e30556620395b28ad2205b63c7fa9ff22453c61919a43dcb2ab1f9e and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239110.
Recording identifiers
- ISRC
- GBAJY2239110
- Title
- California Porcupine Rag
- Artist
- William Bolcom
- CopyrightID (CopyrightChains transaction hash)
0x21f6898c5e30556620395b28ad2205b63c7fa9ff22453c61919a43dcb2ab1f9e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:a304a67c80e0df05738271831780260e18d719c7a065961bfedede93f0c0d582- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239110
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: California Porcupine Rag · Machine-readable JSON-LD