ISRC DEF058931829
Verified recording
DEF058931829 is “Candide, Act II: No. 23, Words, Words, Words (Martin's Laughing Song)” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x42e3db00d5523cdc8593da77c49a2ea4cc334ad2c9359ef12606cb4a632c44fd and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931829.
Recording identifiers
- ISRC
- DEF058931829
- Title
- Candide, Act II: No. 23, Words, Words, Words (Martin's Laughing Song)
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x42e3db00d5523cdc8593da77c49a2ea4cc334ad2c9359ef12606cb4a632c44fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:c2e125589404c68e957b9bdebff72eed4eeb055125d57ce12f360f2c1a7912db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931829
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Candide, Act II: No. 23, Words, Words, Words (Martin's Laughing Song) · Machine-readable JSON-LD