Choro nº1

Recording by Riachão.

Recording identifiers

ISRC
BRJ2V2100011
CopyrightID (CopyrightChains transaction hash)
0x55a07f340b59e76f809c47de1aaaa43b5682ef5758cffe6fca843b497ac212ef
Copyright registration time
2026-07-31T10:38:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:0afb2e6a356b85fea7c1403ac9c89ff4f54c5cdb954561068ce02f428921e9e7

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.