ISRC DEF058430622

Verified recording

DEF058430622 is “West Side Story: IV. The Dance at the Gym: c. Mambo” by Leonard Bernstein, registered on the CopyrightChains blockchain with CopyrightID 0xe2ff5b8d36d29113020f96398d269f51ddeb8104b4d75716a7a8168969a88b5e 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/DEF058430622.

Recording identifiers

ISRC
DEF058430622
Title
West Side Story: IV. The Dance at the Gym: c. Mambo
Artist
Leonard Bernstein
CopyrightID (CopyrightChains transaction hash)
0xe2ff5b8d36d29113020f96398d269f51ddeb8104b4d75716a7a8168969a88b5e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:24d6f8f3bc8a6b0c18e60d4f6ab3580698bd327354744736bd185905607dd983
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430622
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: West Side Story: IV. The Dance at the Gym: c. Mambo · Machine-readable JSON-LD