Schumann: Cello Concerto in A Minor, Op. 129: II. Langsam

Recording identifiers

ISRC

GBAYC1700243

CopyrightID (CopyrightChains transaction hash)

0xec4d33692855fa58eedab6d5e130b4a2c9322fed8e1922c62c7f111a97f972b2

Copyright registration time

2026-07-29T22:06:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T22:12:10Z

Bitcoin block

960157

Canonical record hash

sha256:e012be7b33c2ec6f4d6c3a4b0b149c8771d57599d67b3fcf27346b318858ff9f

• Verify the CopyrightID on CopyrightChains
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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.