ISRC USRDG0111995
Verified recording
USRDG0111995 is “Etude No. 3, "Tristesse" (In mir klingt ein Lied)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0e5b1bce41bc7c1d1d1ddc3a8ba290de11c70aba0cec68b0374a940545952acc and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0111995.
Recording identifiers
- ISRC
- USRDG0111995
- Title
- Etude No. 3, "Tristesse" (In mir klingt ein Lied)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0e5b1bce41bc7c1d1d1ddc3a8ba290de11c70aba0cec68b0374a940545952acc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:57a42994e58d2e76ec2b3b760f0bd33ac1a79cb7378008797bc525e9d40c40cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0111995
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Etude No. 3, "Tristesse" (In mir klingt ein Lied) · Machine-readable JSON-LD