Puttin‘ on the Ritz

Recording by Irving Berlin.

Recording identifiers

ISRC
DEZ651700828
CopyrightID (CopyrightChains transaction hash)
0x1fcabfb2e00bc5039a540c76d06bad81863ca9078f243180af01512df5d38324
Copyright registration time
2026-06-07T01:08:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:000cf281a95a9cb6c2caca6cf4336685db2e3820af4fd883546b324248e0c663

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.