Ralph's Piano Waltz

Recording by John Abercrombie.

Recording identifiers

ISRC
DEB337404703
CopyrightID (CopyrightChains transaction hash)
0xdf0346ffc0fd4b6d6ca3105e8e8d160f0abdf8bcf9f1fdb0b6eda6593e081b50
Copyright registration time
2026-06-08T10:36:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e2592a0128372448a236454c3f99241e2d6ea419a7a00c54acd7a44414459871

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.