How Long Must I Wonder

Recording by Nina Simone.

Recording identifiers

ISRC
USRC11100734
CopyrightID (CopyrightChains transaction hash)
0x6b9628d96540ad702a5d0534f717cf5aa70e167aaff541d46d31f16f4467ff8d
Copyright registration time
2026-06-10T10:52:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:908534b8b0d5d729917c0dc7240aa18ababc9020b981b07c25f356584bbcbbdc

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.