ISRC HKI199233507
Verified recording
HKI199233507 is “Piano Sonata No. 2 in B-flat Minor, Op. 35, "funeral March": Iii. Marche funebre: Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x48d0080b78f69f0784a567eb56da63c59536c4d8e2ed9d4c948427c25dbd0d68 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199233507.
Recording identifiers
- ISRC
- HKI199233507
- Title
- Piano Sonata No. 2 in B-flat Minor, Op. 35, "funeral March": Iii. Marche funebre: Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x48d0080b78f69f0784a567eb56da63c59536c4d8e2ed9d4c948427c25dbd0d68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:34953c60f531df40063b152c2cc76ef4fe46d56038af4d50192c7b9692483202- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199233507
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 2 in B-flat Minor, Op. 35, "funeral March": Iii. Marche funebre: Lento · Machine-readable JSON-LD