ISRC USRDG0222769
Verified recording
USRDG0222769 is “Concierto para Piano No. 21 en Do Mayor, KV 467: II. Andante” by Charles Gerhardt,
registered on the CopyrightChains blockchain with CopyrightID
0xd82dba27feec57bbd7c2b6596f761296eb892f5f6d2b7b4be4360251bc42d110 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0222769.
Recording identifiers
- ISRC
- USRDG0222769
- Title
- Concierto para Piano No. 21 en Do Mayor, KV 467: II. Andante
- Artist
- Charles Gerhardt
- CopyrightID (CopyrightChains transaction hash)
0xd82dba27feec57bbd7c2b6596f761296eb892f5f6d2b7b4be4360251bc42d110
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f5905d2d9c92227ca860d519d039a1900767502a5f3c498641b16176bce6a714- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0222769
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Concierto para Piano No. 21 en Do Mayor, KV 467: II. Andante · Machine-readable JSON-LD