ISRC DEF057104414
Verified recording
DEF057104414 is “Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 4” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x95065f6b638f74473e3356ea2faf7af124c889f77fb33ac02ab534f7a7ed91a2 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104414.
Recording identifiers
- ISRC
- DEF057104414
- Title
- Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 4
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x95065f6b638f74473e3356ea2faf7af124c889f77fb33ac02ab534f7a7ed91a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:d4343043fce9b81c5512d428f198866c595b623f3fb8cd5036f2c53f2ec08807- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104414
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 4 · Machine-readable JSON-LD