ISRC USRDG0218012
Verified recording
USRDG0218012 is “Rondó No. 2 para Piano y Orquesta en La Mayor, KV 386: Allegretto” by Petr Maceček,
registered on the CopyrightChains blockchain with CopyrightID
0x494c35f4cc767c2ad287b456c6d359fb047455d9c053218bbd3ef9f9cf29feee 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/USRDG0218012.
Recording identifiers
- ISRC
- USRDG0218012
- Title
- Rondó No. 2 para Piano y Orquesta en La Mayor, KV 386: Allegretto
- Artist
- Petr Maceček
- CopyrightID (CopyrightChains transaction hash)
0x494c35f4cc767c2ad287b456c6d359fb047455d9c053218bbd3ef9f9cf29feee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:3263763dc72ff8aa7144fe3075122bab851b53b48ad038dd80fe2a8aae07fd8f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0218012
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Rondó No. 2 para Piano y Orquesta en La Mayor, KV 386: Allegretto · Machine-readable JSON-LD