ISRC US4BP2132702
Verified recording
US4BP2132702 is “Cheap Imitation (Version for Solo Piano): I. —” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x9afd2a79240d8c4befc664402843112359fcfdc9441c0afd930a9a269e8b6772 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4BP2132702.
Recording identifiers
- ISRC
- US4BP2132702
- Title
- Cheap Imitation (Version for Solo Piano): I. —
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x9afd2a79240d8c4befc664402843112359fcfdc9441c0afd930a9a269e8b6772
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:ad9ee2d7ab074034db9a18dc87935ea80a505f7444f73d72aa7723712837e31f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4BP2132702
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Cheap Imitation (Version for Solo Piano): I. — · Machine-readable JSON-LD