Máma

Recording by Václav Neckář.

Recording identifiers

ISRC
CZA167400102
CopyrightID (CopyrightChains transaction hash)
0xc26ba4089f2442bf0045a2cb1f65303e2f04c8e638bf3ae31abe4609ef249f5d
Copyright registration time
2026-07-07T05:00:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4c61b77e413bfd45d954d7bf9869a97b9dcac3f8b2cf87bb7b451f787a2a6b90

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.