The Lost Estate

Recording by Masako.

Recording identifiers

ISRC
QMRF41600009
CopyrightID (CopyrightChains transaction hash)
0x31ce84134cbacc4586792e8ecd56191281639c2ceb62e47dde6db2c4e1b7559d
Copyright registration time
2026-08-01T02:46:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:c311dd82dc09846779327e484a1742a8863359e4110bd43bec2652e9510ac53a

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.