ISRC SEWDL6018045
Verified recording
SEWDL6018045 is “Études, Op. 10: No. 3, Étude in E Major "Tristesse"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xcde6abb84d027ae869525af543d5b69245c48c311d20180e96034ebc777b50a0 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/SEWDL6018045.
Recording identifiers
- ISRC
- SEWDL6018045
- Title
- Études, Op. 10: No. 3, Étude in E Major "Tristesse"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xcde6abb84d027ae869525af543d5b69245c48c311d20180e96034ebc777b50a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:6a53035390be0c78e78bff29859acbb592ceb05129edecbdcbdb0bec61f9a86f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6018045
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Études, Op. 10: No. 3, Étude in E Major "Tristesse" · Machine-readable JSON-LD