Carnaval, Op. 9: 1. Préambule

Recording by Robert Schumann.

Recording identifiers

ISRC
GBF077843101
CopyrightID (CopyrightChains transaction hash)
0xda81908120a0f0f0915ef3f787fe84e18c20050724c9ca0c558ea704f3c2e23a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:11a6feecba3be3a6f503c7b0713f73496698d39f9f15d0ba6c1e27b12b509e9e

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.