6 Pieces, Op. 48: No. 5, —

Recording by Fernando Sor.

Recording identifiers

ISRC
HKI199635812
CopyrightID (CopyrightChains transaction hash)
0x217c67020b33d38755c6c90a9ee5c8f636aba9eed692a0e8889bd3c3ab02fb96
Copyright registration time
2026-07-06T02:28:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e3b94fe9870d280ca4e2bca2606af81679ab1fb1c6ac8f8743560ba1b223550f

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.