ISRC SEWDL6142853
Verified recording
SEWDL6142853 is “Preludes, Op. 28: No. 15, Sostenuto in D-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe9f6b77375d25e4192644ea5c6e9a5c35ab0c88437c6c41a95fa9153e750201c 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/SEWDL6142853.
Recording identifiers
- ISRC
- SEWDL6142853
- Title
- Preludes, Op. 28: No. 15, Sostenuto in D-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe9f6b77375d25e4192644ea5c6e9a5c35ab0c88437c6c41a95fa9153e750201c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2757ae00ab81fcc8d6662841de8dce7143f802843803ed97b2ea614b81e25637- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142853
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Preludes, Op. 28: No. 15, Sostenuto in D-Flat Major · Machine-readable JSON-LD