Puttin' on the Ritz

Recording by André Previn.

Recording identifiers

ISRC
AUXN22101256
CopyrightID (CopyrightChains transaction hash)
0xaa49542e3eaea0fcb1c37046c8f079a507c40f49ae0b0544a00eaee9f95269d2
Copyright registration time
2026-07-08T00:04:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:bdc5eec53cd93b4b2ec6ee5efa2e71d69e617a2b9f4f7f9edaf9b5dbf422d2ee

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.