Spectrum

Recording by Florence + The Machine.

Recording identifiers

ISRC
GBUM71107576
CopyrightID (CopyrightChains transaction hash)
0xc90bcca22fb671eeea55b83c6c39d3cd3c4cabef66447a40fe69624688d1e1a4
Copyright registration time
2026-06-01T21:06:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ff236d18e55bb1aa52c49cfbe83a5fb1fa64fb16be158ff3b760284c747dcc38

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.