Symphony No. 4: III. Ruhevoll, poco adagio

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059804123
CopyrightID (CopyrightChains transaction hash)
0x6ca4d0381eb9b01b0b2f5d1f9d5f76bcb7960e1f5cca90fc5fe2b143075a6d92
Copyright registration time
2026-07-04T04:27:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:63b6ce33ba593ede54ea08be60c3aeb357974f2557892f86c9c99a5e4fb10c5a

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.