ISRC NLY331406026
Verified recording
NLY331406026 is “Etudes in E Major, Op. 10: III. "Tristesse"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf0b63f3291ab2a4ea001de7a22d2767858e09252906d563d2899ef9ce37caacd and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406026.
Recording identifiers
- ISRC
- NLY331406026
- Title
- Etudes in E Major, Op. 10: III. "Tristesse"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf0b63f3291ab2a4ea001de7a22d2767858e09252906d563d2899ef9ce37caacd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:c9e61c70f97050578ef109d705666deda47287c3db54cd9cc53166eb1f671113- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406026
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: Etudes in E Major, Op. 10: III. "Tristesse" · Machine-readable JSON-LD