ISRC NLA509608615
Verified recording
NLA509608615 is “Six Melodies - performed on Violin and Harp: No. 4 (without indication)” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0xf5094efc18d7e8bd3b60f30c4d77ad6a363c31aab555258171b90f03008b377d and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509608615.
Recording identifiers
- ISRC
- NLA509608615
- Title
- Six Melodies - performed on Violin and Harp: No. 4 (without indication)
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0xf5094efc18d7e8bd3b60f30c4d77ad6a363c31aab555258171b90f03008b377d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:67aae5dd2251b1cd0a10b0c95b6a4d9684ee5b52d8aabed2980d9500ad10eb60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509608615
- Bitcoin block existence check
- https://blockstream.info/api/block/960268
Full record
Track page: Six Melodies - performed on Violin and Harp: No. 4 (without indication) · Machine-readable JSON-LD