Mari Sumazau

Recording by Estranged.

Recording identifiers

ISRC
FR59R2361466
CopyrightID (CopyrightChains transaction hash)
0x50eb243edfbfb4c216cc2d0b9dbc1e3ee3042441b6f8f7c7013711b16eedfae4
Copyright registration time
2026-07-07T09:58:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:26dccdd19bc70811dc0f47ca8a474f95a570463ad1a5b75226d75017f335e61c

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.