ISRC HKI190953103
Verified recording
HKI190953103 is “3 Pieces for cello and piano: No. 2. Sans vitesse et a l'aise” by Nadia Boulanger,
registered on the CopyrightChains blockchain with CopyrightID
0xb4cdc2b15f49ac7489d0e8ddcbd829f16d5c0e2aecef07565d147431b2ff38a0 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/HKI190953103.
Recording identifiers
- ISRC
- HKI190953103
- Title
- 3 Pieces for cello and piano: No. 2. Sans vitesse et a l'aise
- Artist
- Nadia Boulanger
- CopyrightID (CopyrightChains transaction hash)
0xb4cdc2b15f49ac7489d0e8ddcbd829f16d5c0e2aecef07565d147431b2ff38a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b6ba90a492cec551fde46480704c87560c903c6faf6a649cd1eae9e242feb7aa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190953103
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 3 Pieces for cello and piano: No. 2. Sans vitesse et a l'aise · Machine-readable JSON-LD