ISRC HKI199230405
Verified recording
HKI199230405 is “Berceuse in D-flat Major, Op. 57” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4b1d72c496ad58b900b0c39c34fc998cdf7f5c258c9c6cc5cdbb737be39a8943 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199230405.
Recording identifiers
- ISRC
- HKI199230405
- Title
- Berceuse in D-flat Major, Op. 57
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4b1d72c496ad58b900b0c39c34fc998cdf7f5c258c9c6cc5cdbb737be39a8943
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:7b1fa4102a57e4bccd6bd0733b42749a598320f479bf3643d8fd59c2b8135dc7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199230405
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Berceuse in D-flat Major, Op. 57 · Machine-readable JSON-LD