Blackbird

Recording by Cainã Cavalcante.

Recording identifiers

ISRC
BRPUI2400232
CopyrightID (CopyrightChains transaction hash)
0x224c945e9bf03e9f6bdd99f6b3fbb4ca0c7e03d4b069c8a86f28ddcde8713500
Copyright registration time
2026-06-22T20:19:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:68e46bc0fd3b48ee5ca6394ba4b7483e744250c958ea0851ddf816d88d1a6bb9

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.