ISRC USSM10200457
Verified recording
USSM10200457 is “12 Études, Op. 10: No. 3 in E Major "Tristesse"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbcfb4574cf7708e9d8966d522f4c17b00abc9ebfc363efa26697349438b63439 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10200457.
Recording identifiers
- ISRC
- USSM10200457
- Title
- 12 Études, Op. 10: No. 3 in E Major "Tristesse"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbcfb4574cf7708e9d8966d522f4c17b00abc9ebfc363efa26697349438b63439
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:12a9b617b646ca41024f20138325ae53912f58905352299e9e574efc98962635- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10200457
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: 12 Études, Op. 10: No. 3 in E Major "Tristesse" · Machine-readable JSON-LD