Isn't This A Lovely Day?

Recording by Ella Fitzgerald.

Recording identifiers

ISRC
USPR35600039
CopyrightID (CopyrightChains transaction hash)
0x761fa332ac091123bd4f728204a071e850c0cc8b7a07b252e00e6d9d7dea3ee8
Copyright registration time
2026-06-20T12:25:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6db14c615c9d53a024f8af73d24ae075d0cc8f04eeb0e318c162f55198c98994

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.