ISRC DEF056233935
Verified recording
DEF056233935 is “24 Preludes, Op. 28: No. 15 in D-Flat Major: Sostenuto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4fe12892f5d19e37efefad12b0690b8d332c9f751e992f1c297445ac982f9816 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/DEF056233935.
Recording identifiers
- ISRC
- DEF056233935
- Title
- 24 Preludes, Op. 28: No. 15 in D-Flat Major: Sostenuto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4fe12892f5d19e37efefad12b0690b8d332c9f751e992f1c297445ac982f9816
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:208779dbc1c510ef56e6ee987864a910b72bf529d2821ec95eb9922a4ab21a72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056233935
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: No. 15 in D-Flat Major: Sostenuto · Machine-readable JSON-LD