No. 3, Wenn dein Mütterlein

Recording by Gustav Mahler.

Recording identifiers

ISRC
ITCC51102494
CopyrightID (CopyrightChains transaction hash)
0xc1623441c21402ffbbe6444385b73d2bad78d15f2fdb2d2a2317bc870a83f4a8
Copyright registration time
2026-08-01T01:41:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:ee67d293fc36f0252654567e918110a5e6461213f3c9438565fd37ab7f1858e4

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.