Circles

Recording by Nelly Furtado.

Recording identifiers

ISRC
USUM71204745
CopyrightID (CopyrightChains transaction hash)
0x2046420f440dda18c69a6e3f6b25cee16d52053af26c032e4ddb4c047795c865
Copyright registration time
2026-07-06T03:16:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:29b3be7f4426cd04e3ee16369ff49bb97ae55f62e66f4fcd8c11663a0b266fac

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.