Ragtime Nightmare

Recording by Peter Ratzenbeck.

Recording identifiers

ISRC
DEF309000014
CopyrightID (CopyrightChains transaction hash)
0xc2272ef08c30c4f4e540712081571bef729a7595bf08e18c1fed74580d0d86b7
Copyright registration time
2026-07-07T18:48:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:a10db35bc24850adec15f80514c835a62fc689b83fe390240ceea60d26fab751

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.