ISRC HKI199274205

Verified recording

HKI199274205 is “Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x97951ae69bb932917b7ad2631e7f00c68384ef6b8c61d7f9951ae23cb8505dd3 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/HKI199274205.

Recording identifiers

ISRC
HKI199274205
Title
Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x97951ae69bb932917b7ad2631e7f00c68384ef6b8c61d7f9951ae23cb8505dd3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:ac49071932de3cd5dcce1afb6a9b2ed5bbd6a15093ea9c323a6c213d09e2ed58
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199274205
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio · Machine-readable JSON-LD