ISRC FINDE2200021
Verified recording
FINDE2200021 is “Four⁶” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x65d6a703eb2947cafdb8c6cb47e3d9b4b1772242df96796d4844021376c55a76 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200021.
Recording identifiers
- ISRC
- FINDE2200021
- Title
- Four⁶
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x65d6a703eb2947cafdb8c6cb47e3d9b4b1772242df96796d4844021376c55a76
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:093d09f229d5932e7b55c0b51a82cbf733d4a5338f50da4b49af562123abb300- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200021
- Bitcoin block existence check
- https://blockstream.info/api/block/960397