ISRC HKI191516125
Verified recording
HKI191516125 is “4 Preludes for Piano, Op. 61: No. 1, Pensieroso” by Ignaz Friedman,
registered on the CopyrightChains blockchain with CopyrightID
0x418247c354dc3b21e76169dcba6fd5ca02ac6c4673f784e8e876f5c73aefe752 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191516125.
Recording identifiers
- ISRC
- HKI191516125
- Title
- 4 Preludes for Piano, Op. 61: No. 1, Pensieroso
- Artist
- Ignaz Friedman
- CopyrightID (CopyrightChains transaction hash)
0x418247c354dc3b21e76169dcba6fd5ca02ac6c4673f784e8e876f5c73aefe752
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:34335f1e14d5c3c366a5c5a556939c3721b94c4b0e257e54641d7216041132af- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191516125
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 4 Preludes for Piano, Op. 61: No. 1, Pensieroso · Machine-readable JSON-LD