Six Divertimenti, Op. 2: II. Waltz

Recording by Fernando Sor.

Recording identifiers

ISRC
DEA142328205
CopyrightID (CopyrightChains transaction hash)
0x685e9c6a059077581dd25f51b8cfbbc3f624fa4ae2918e6fee118a998b946bea
Copyright registration time
2026-07-31T00:21:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:2e6315ce82fd7ec83be73a898c43ac58891ac7d007c9cd0a68c815694494db35

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.