The Entertainer

Recording by Scott Joplin.

Recording identifiers

ISRC
QMM9G1400149
CopyrightID (CopyrightChains transaction hash)
0x1c1f95b23cc113f2911c05c974b5fb6b508fdc17e27800dc4583d03034306e1d
Copyright registration time
2026-07-07T08:07:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:caa438bfd19f4ca43d525cf48e1a569eb3f4a901730942cabf0db67523b0f40d

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.