Symphony No. 6 in A Minor

Recording by Gustav Mahler.

Recording identifiers

ISRC
USX761118240
CopyrightID (CopyrightChains transaction hash)
0xf93c1050d5b9901aaab2194ec38a1a98d67cb2e8d3b6143054f9b33b65a6eb3a
Copyright registration time
2026-07-29T13:07:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:21:01Z
Bitcoin block
960111
Canonical record hash
sha256:19316cba63f6dd9496b50c0731fecb58c9ea427094117f16368654fb06bb7f58

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.