ISRC HKI199925502
Verified recording
HKI199925502 is “Fidelio, Op. 72: Wie kalt ist es” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xec36441a5204cb82134e876800906f7f477dbaafab56fb8c13ba31366129ea95 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925502.
Recording identifiers
- ISRC
- HKI199925502
- Title
- Fidelio, Op. 72: Wie kalt ist es
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xec36441a5204cb82134e876800906f7f477dbaafab56fb8c13ba31366129ea95
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:425948911f3fa2e946ad6d52aaac0c3b1aafd2c2ff56e90c5cf68fd27dcda941- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925502
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Fidelio, Op. 72: Wie kalt ist es · Machine-readable JSON-LD