ISRC CHE271900081
Verified recording
CHE271900081 is “Ludus Tonalis: IX. Interludium (Vivace)” by Paul Hindemith,
registered on the CopyrightChains blockchain with CopyrightID
0x3c758e8738845dc11dbdf1ddaedf270bf9954f1d204b36751406c07b7c76e2dc and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900081.
Recording identifiers
- ISRC
- CHE271900081
- Title
- Ludus Tonalis: IX. Interludium (Vivace)
- Artist
- Paul Hindemith
- CopyrightID (CopyrightChains transaction hash)
0x3c758e8738845dc11dbdf1ddaedf270bf9954f1d204b36751406c07b7c76e2dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:0b9a4fbb02ee7d8589ae38ca558c20078c647f32c9d57ab480ab3ab4a8d05a9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE271900081
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Ludus Tonalis: IX. Interludium (Vivace) · Machine-readable JSON-LD