Alexander's Ragtime Band

Recording by Irving Berlin.

Recording identifiers

ISRC
USF067302060
CopyrightID (CopyrightChains transaction hash)
0x2955c35eb2fcd7b14cf9331e9a113f3f5c93c8ade3cabfdc504af6b0127bd790
Copyright registration time
2026-06-18T14:05:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:20043e288b16722ab6079f27a7b92ad109139f84c896e8db85f1aae81e66c90d

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.