Cello Concerto: 4. Lento

Recording by Elliott Carter.

Recording identifiers

ISRC
GBF071203044
CopyrightID (CopyrightChains transaction hash)
0x896334feeeb5f037bb1373c641a4f18b7090b65dab3ab0a8d66a08335fe06afb
Copyright registration time
2026-07-07T13:33:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6e2ed87cb698f0a076a0c6ed61ea65f1110e8a4d1d1439a074b0e80a439d3587

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.