MAMA SAYS

Recording by Yuzi Qin.

Recording identifiers

ISRC
CNZ172000144
CopyrightID (CopyrightChains transaction hash)
0x32acd848c7ba549d6ad443c21443dddc2d13c2667ffea176652ef9ddaa6d12e4
Copyright registration time
2026-07-07T10:48:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9b7dbc1293ea3aad64ad0fc32e64bbf99f6272e27f7d3fc1cfd2fb8104c7abc3

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.