ISRC SEWDL6011639
Verified recording
SEWDL6011639 is “Nocturnes, Op. 9: No. 2 in E-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf30b9cc7aaa58087387c0bf32e5624cf95507b9d1dfbc72dbb4c82afed4b0e39 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6011639.
Recording identifiers
- ISRC
- SEWDL6011639
- Title
- Nocturnes, Op. 9: No. 2 in E-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf30b9cc7aaa58087387c0bf32e5624cf95507b9d1dfbc72dbb4c82afed4b0e39
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:2f5832d2fdce979bafad3db8dc3651d71c1e030349ae49fdf81346fcfc78e4ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6011639
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Nocturnes, Op. 9: No. 2 in E-Flat Major · Machine-readable JSON-LD