Symphony No. 9: II. Im Tempo eines gemächlichen Ländlers (Live)

Recording by Gustav Mahler.

Recording identifiers

ISRC
DELW72220502
CopyrightID (CopyrightChains transaction hash)
0x1bb25e422a3692f170b8c08aa68aa318975fc1d1a7e67992c8f6e75f932c23e6
Copyright registration time
2026-07-07T03:13:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bf8712c34a9411d7a6b04a4b5639abf4f1b818f43371fc6e17e61fceea90d3e6

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.