ISRC DEF056500791
Verified recording
DEF056500791 is “Waltz No. 12 in F Minor/A-Flat Major, Op. 70 No. 2: Tempo giusto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe71c862adcfd13091e102e0320dabd088cc452e6c1a13404256e84a88bd277e6 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500791.
Recording identifiers
- ISRC
- DEF056500791
- Title
- Waltz No. 12 in F Minor/A-Flat Major, Op. 70 No. 2: Tempo giusto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe71c862adcfd13091e102e0320dabd088cc452e6c1a13404256e84a88bd277e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:fdccd1ef01373343fbb21fd57a6f7b385bba7b575e87abc90d89279f7f95b317- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500791
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Waltz No. 12 in F Minor/A-Flat Major, Op. 70 No. 2: Tempo giusto · Machine-readable JSON-LD