Kindertotenlieder: No. 3, Wenn dein Mütterlein

Recording by Gustav Mahler.

Recording identifiers

ISRC
ITX921003759
CopyrightID (CopyrightChains transaction hash)
0xe6b4291ce04c1b996cdf5f1341b5efd3f0b1d34e4b7570a9853ad50c94f3367a
Copyright registration time
2026-07-07T01:54:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3906f246be10493cfbe9157b13f5d8bfd37120bc3012ad95fd03b5f937128585

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.