Mama

Recording by Jan Biggel.

Recording identifiers

ISRC
NLE872415501
CopyrightID (CopyrightChains transaction hash)
0x1cf63f6af3f2cda7c0fe3a3de5e7802f5b3d8551711505c654d0f56387fefc79
Copyright registration time
2026-07-30T08:47:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:ba62a57bd3059f2b07f1b3db960257403329c499a40ed001e0a0c2d0f87eee37

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.