Recorder Sonata in B-Flat Major: II. Adagio

Recording by Johann Adolf Hasse.

Recording identifiers

ISRC
FR7JM1613060
CopyrightID (CopyrightChains transaction hash)
0x4d2e39a86ba710083babee90acea1edc0733310b20b1072d44b240debccb196b
Copyright registration time
2026-07-07T15:47:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:cca1f82673a88c232c954801a25328b3c4c6e549b76d7672498ddf3de27bab84

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.