ISRC CALC41200320
Verified recording
CALC41200320 is “Quatre poèmes d’après l’intermezzo d’Heinrich Heine: Prélude” by Guy Ropartz,
registered on the CopyrightChains blockchain with CopyrightID
0x2d09820caf49ff1ab204dc78c8d570bd69b109288264fad2e6073b1cdd7cd094 and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41200320.
Recording identifiers
- ISRC
- CALC41200320
- Title
- Quatre poèmes d’après l’intermezzo d’Heinrich Heine: Prélude
- Artist
- Guy Ropartz
- CopyrightID (CopyrightChains transaction hash)
0x2d09820caf49ff1ab204dc78c8d570bd69b109288264fad2e6073b1cdd7cd094
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:96e80d47e49ceea0aec44b1dcfa4c03fc4e25adb956e9088afe8b929b0d5df73- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41200320
- Bitcoin block existence check
- https://blockstream.info/api/block/960429
Full record
Track page: Quatre poèmes d’après l’intermezzo d’Heinrich Heine: Prélude · Machine-readable JSON-LD