ISRC CHE271900073
Verified recording
CHE271900073 is “Ludus Tonalis: I. Praeludium (Moderato - Arioso, tranquillo - Lento - Solenne, largo)” by Paul Hindemith,
registered on the CopyrightChains blockchain with CopyrightID
0xa69aa8bd41755c25ee70082cd09643c8f8d619067d80007b0452a01d228e3e60 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900073.
Recording identifiers
- ISRC
- CHE271900073
- Title
- Ludus Tonalis: I. Praeludium (Moderato - Arioso, tranquillo - Lento - Solenne, largo)
- Artist
- Paul Hindemith
- CopyrightID (CopyrightChains transaction hash)
0xa69aa8bd41755c25ee70082cd09643c8f8d619067d80007b0452a01d228e3e60
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:8ef2fa09c11c77cb5735f82b90098dd33c28be0c2430db3749803e1b55ac09f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900073
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: Ludus Tonalis: I. Praeludium (Moderato - Arioso, tranquillo - Lento - Solenne, largo) · Machine-readable JSON-LD