ISRC DEF056102253
Verified recording
DEF056102253 is “Les Sylphides (Orch. Douglas): III. Waltz No. 11 in G Major, Op. 70 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9fd6babb48ba04d1670d53b8f0adf4255e9a6b2ebec521d3aa11588e50bfa8aa and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102253.
Recording identifiers
- ISRC
- DEF056102253
- Title
- Les Sylphides (Orch. Douglas): III. Waltz No. 11 in G Major, Op. 70 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9fd6babb48ba04d1670d53b8f0adf4255e9a6b2ebec521d3aa11588e50bfa8aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:de11fbe08743ce17342c15cc5242c51b243717552472197a77ed4bcd22ecbc32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102253
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Les Sylphides (Orch. Douglas): III. Waltz No. 11 in G Major, Op. 70 No. 1 · Machine-readable JSON-LD