ISRC HKI199494710
Verified recording
HKI199494710 is “String Quartet No. 21 in D Major, K. 575, "prussian No. 1": Ii. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x496a229556dcb7f90f68b3f4a66e9f9f144dc7ddf8473f023e554dd9792e8b2f and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199494710.
Recording identifiers
- ISRC
- HKI199494710
- Title
- String Quartet No. 21 in D Major, K. 575, "prussian No. 1": Ii. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x496a229556dcb7f90f68b3f4a66e9f9f144dc7ddf8473f023e554dd9792e8b2f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:c0f83062090f1b880d528049e5130ab68175df1de240c131ca67423de96686dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199494710
- Bitcoin block existence check
- https://blockstream.info/api/block/960125
Full record
Track page: String Quartet No. 21 in D Major, K. 575, "prussian No. 1": Ii. Andante · Machine-readable JSON-LD