Gloomy Sunday

Recording by Billie Holiday.

Recording identifiers

ISRC
USSM10028250
CopyrightID (CopyrightChains transaction hash)
0xdd190cfa878dd340eb113c5bdac28345b4665e0b960c2833b3983687eecb4077
Copyright registration time
2026-06-06T02:00:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3a7515e90f3050a6cfa9cbcd4af4d817a0c6dcc90ada5c409e25836480bb8b42

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.