Blue Paper

Recording by Yeasayer.

Recording identifiers

ISRC
US38W1330212
CopyrightID (CopyrightChains transaction hash)
0x8f053caf4b507f7ee6bdaa5496cfe2c7cbdd324230d95aa9160c1b13b058f7f9
Copyright registration time
2026-07-07T20:07:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:85883d9ce9ab1562f1997f4674797356b9e03900ffd2e73c2833e9752c74e8e1

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.