Choro no Circo

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BR56L1500008
CopyrightID (CopyrightChains transaction hash)
0x901a35ab6991049397d996640e6484b468fca26c9283f72cfb9bda9e6450e8ff
Copyright registration time
2026-07-30T15:53:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:10:47Z
Bitcoin block
960277
Canonical record hash
sha256:5b095ed1d0573982309dce7a911ffd6a9802830f3a3fd908f6a31e183afd4c1b

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.