Choro pro Waldir

Recording by Cristóvão Bastos.

Recording identifiers

ISRC
BRPUI2000107
CopyrightID (CopyrightChains transaction hash)
0x718e10202d6e6e6982c3876c8c8cfbea064be362fd1f29d6d9a0e12cdd9eacb8
Copyright registration time
2026-08-01T01:13:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:100b363975c43e24fd45ecf205e34de6524e406727385e6bba2c07cf91749926

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.