Pixinguinha Caprice

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
QM6N21440330
CopyrightID (CopyrightChains transaction hash)
0xce3e23bb53b275be8982f3bf8779a897eca0c739e2805ff23a2667a3ddc77ce0
Copyright registration time
2026-07-31T19:59:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:1c71b33c2519e90a290ce880009bb33b645eb0f035d5b784437c0069fc9e9323

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.