Singin' the Blues

Recording by Bix Beiderbecke.

Recording identifiers

ISRC
DEA541300509
CopyrightID (CopyrightChains transaction hash)
0x1cafa9c81d0509bb1292077f24068d05f554444d737f88ab1713566811733b8b
Copyright registration time
2026-07-07T03:32:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bd1e045a05048b8e06e504595d06d1ec3ebbcefaacf7e714ce5a72ec51277262

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.