Sonata II: I. Grave

Recording by Georg Muffat.

Recording identifiers

ISRC
DES382204008
CopyrightID (CopyrightChains transaction hash)
0x62d1082ec25029558a3c05d79c838d4f6c11093a7deada1824f0cc375dc74d60
Copyright registration time
2026-07-06T23:20:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d4c12bec5f7355b64b9d4d94174e786f0a5b8851bcac82c575758c8a8320369e

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.