ISRC DEF057530551
Verified recording
DEF057530551 is “24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x80227ef550e9443ecb8cd4dc9882bb9371bc1d968f2956f0c6f4a60c3f5ce6c7 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/DEF057530551.
Recording identifiers
- ISRC
- DEF057530551
- Title
- 24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x80227ef550e9443ecb8cd4dc9882bb9371bc1d968f2956f0c6f4a60c3f5ce6c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c68fee4ba2f2ddc6bc7e27dfe624b9c2136f6ebbe791b8629a0718d294dfd388- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530551
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1 · Machine-readable JSON-LD