Back To Black - Original Demo

Recording by Amy Winehouse.

Recording identifiers

ISRC
GBUM70702598
CopyrightID (CopyrightChains transaction hash)
0xc3ab2a7e0ba738e5aa52d3933485fb6622e6ed227a5ed0b2dacb2a9b5138437b
Copyright registration time
2026-06-04T11:53:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:cdbf658023b70c40b670253e46929bdb860e44bbd03d8ccb4245cd21cdedef6f

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.