Keyboard Concerto No. 2 in G Major: I. Allegro

Recording by Johann Adolf Hasse.

Recording identifiers

ISRC
HUA253173804
CopyrightID (CopyrightChains transaction hash)
0x7b525d0b7db7758f10601486d931f54a04bfcbbab517f1016153163a6a91cee5
Copyright registration time
2026-07-07T15:35:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:84fea365d5c40daefb8d0802d56b1f1ea76b2275c6cf27363909172e148d93a4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.