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
sha256:9a3e70dc18e88c57bd99b02e8ebb31b65d2d1666071e769055cc0fd1b9a3518e

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.