Guitar Sonata No. 1: II. Sarabanda de Scriabin

Recording by Leo Brouwer.

Recording identifiers

ISRC
ES59G1971402
CopyrightID (CopyrightChains transaction hash)
0xbc578b3902c808f8105df0e44d0a2d8a130f37b0a1b5231ed44f1959019af83c
Copyright registration time
2026-07-30T14:20:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:44:50Z
Bitcoin block
960266
Canonical record hash
sha256:61591bbce8f71ee3c881066274411ef997f110fdca77b5d25b9beec4139dcdf8

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.