ISRC DEF056500790
Verified recording
DEF056500790 is “Waltz No. 11 in G-Flat Major, Op. 70 No. 1: Molto vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8992f23d3317292ea1b30803e1d1098fd09e3bf1a65c9b16afe9e04ab547737b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500790.
Recording identifiers
- ISRC
- DEF056500790
- Title
- Waltz No. 11 in G-Flat Major, Op. 70 No. 1: Molto vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8992f23d3317292ea1b30803e1d1098fd09e3bf1a65c9b16afe9e04ab547737b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a440b683bcf756ccea15759ac26eb9543ca47606e200e3ce356e2736dd625e05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500790
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltz No. 11 in G-Flat Major, Op. 70 No. 1: Molto vivace · Machine-readable JSON-LD