Piano 30

Recording by Cornelia Malecki.

Recording identifiers

ISRC
DEAR41816966
CopyrightID (CopyrightChains transaction hash)
0x7ae86b9bc5e6352359eff5b2b74850d9bb7ef501872ee3e9825ccf858e5fa758
Copyright registration time
2026-07-07T08:16:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a4e94ba9c9efb8c968a0679550df01bb0944ea4ff75eac5a66dfac418739f758

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.