Chamber Symphony: I. Mongrel Airs

Recording by John Adams.

Recording identifiers

ISRC
QM6MZ2120141
CopyrightID (CopyrightChains transaction hash)
0xe4664f3614ffbef15675593a6ec923458e89a578ea0d33b307392cd9183884da
Copyright registration time
2026-07-07T12:59:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:329b90135704761f2692f7968df84715c0336996b2b93a189ff2796a42db3ca0

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.