Let's Call The Whole Thing Off

Recording by Ella Fitzgerald.

Recording identifiers

ISRC
USPR35712073
CopyrightID (CopyrightChains transaction hash)
0xa6999546e58d216117695fc6abdf8f84f5281458f128a89b7f0a810b569d9a55
Copyright registration time
2026-06-21T10:13:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e75d208277563a9611a865046f04ee6b09f70b6945fc7d2f999ea6631e764dfe

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.