Symphony No. 3: Ic. Tempo I - Live

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF058704942
CopyrightID (CopyrightChains transaction hash)
0x92cb20a6ad1f97fa8540ad518784a3ae58cfcaf02ab97639e5eda91c512b0092
Copyright registration time
2026-07-04T10:10:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c61216d5f7149c0cfce562ecea1edf04722248797d56ae0f23d03801afbc6f43

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.