ISRC DEF058430623
Verified recording
DEF058430623 is “West Side Story: IV. The Dance at the Gym: d. Cha-Cha” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x206b76abacff7ba90800abd5e8335831333b2ffa5cc829f88a69fabdc391c049 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430623.
Recording identifiers
- ISRC
- DEF058430623
- Title
- West Side Story: IV. The Dance at the Gym: d. Cha-Cha
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x206b76abacff7ba90800abd5e8335831333b2ffa5cc829f88a69fabdc391c049
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:44151644f1c6980958911d60bd5c0b2a48aec19ed9322fcd22a6f05c32d4602b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430623
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: West Side Story: IV. The Dance at the Gym: d. Cha-Cha · Machine-readable JSON-LD