ISRC CZA169102037
Verified recording
CZA169102037 is “Flute Sonata, H. 306: II. Adagio” by Bohuslav Martinů,
registered on the CopyrightChains blockchain with CopyrightID
0x358ff66cb8c3db401c4585c437a68ab4b7b31af858f79a7707f855a5e81c9152 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169102037.
Recording identifiers
- ISRC
- CZA169102037
- Title
- Flute Sonata, H. 306: II. Adagio
- Artist
- Bohuslav Martinů
- CopyrightID (CopyrightChains transaction hash)
0x358ff66cb8c3db401c4585c437a68ab4b7b31af858f79a7707f855a5e81c9152
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:cbda31e25d51ef845931aa46549b156698bfb38640c6437266cdd782d95e1c91- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169102037
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: Flute Sonata, H. 306: II. Adagio · Machine-readable JSON-LD