What A Wonderful World

Recording by Eva Cassidy.

Recording identifiers

ISRC
USA449846012
CopyrightID (CopyrightChains transaction hash)
0x1e3b8eaf1670ab3f7c4280406ffd98347f14d01cbdb5f41386154ad85438b26b
Copyright registration time
2026-06-08T16:41:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e34878bc5bab4086506175ad53e61044b6bf4fbb2a45af2ad5e00cacb09feef0

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.