Piano Piece 1952

Recording by Murcof.

Recording identifiers

ISRC
FRT091600014
CopyrightID (CopyrightChains transaction hash)
0x88ed7634db19b8ac641f0242f7b360562da7d14ebb98cf0df3c11f0b78611d8d
Copyright registration time
2026-07-06T09:57:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:0cc469b9132bf54739d2ebf2552495795ffc430095dc10c35e4f6c66ed889b44

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.