ISRC DEF058430616

Verified recording

DEF058430616 is “West Side Story: IV. The Dance at the Gym: a. Blues” by Leonard Bernstein, registered on the CopyrightChains blockchain with CopyrightID 0xc8b786773273d07ed339633ad0450fed7749615273b7fc0ad25e0928888c3c9f and independently timestamped in Bitcoin block 956894 on 2026-07-06. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430616.

Recording identifiers

ISRC
DEF058430616
Title
West Side Story: IV. The Dance at the Gym: a. Blues
Artist
Leonard Bernstein
CopyrightID (CopyrightChains transaction hash)
0xc8b786773273d07ed339633ad0450fed7749615273b7fc0ad25e0928888c3c9f

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57+00:00
Bitcoin block
956894
Canonical record hash
sha256:67166edb04d83c8435551e152c55d64a7d782302619d8674c1582c68d529ba2f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430616
Bitcoin block existence check
https://blockstream.info/api/block/956894

Full record

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