Symphony No. 3 in D Minor: Part 2, III. Sehr gemächlich

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM19703185
CopyrightID (CopyrightChains transaction hash)
0xd17070e6506797d90e2a74e98fb723518e8a59e5b2981cb195fa7ce97e570d74
Copyright registration time
2026-07-29T16:49:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:eecfc19ff4364b5dd35b6df80d7d001df3e2bbd66bf94b141c1408f0b344a090

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.