Weeping Willow, A Rag Time Two Step

Recording by Scott Joplin.

Recording identifiers

ISRC
HKI190645806
CopyrightID (CopyrightChains transaction hash)
0x8ced6cb2ad5c06b7e10a4ececdafcf64bec1b53c167a9e56091e7d054b91fb6a
Copyright registration time
2026-06-24T09:53:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a8eec0c691b40c42f32c846fe7a04310c629e0879eaf05ed979a160582133fe6

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.