Rio de Janeiro

Recording by Helga Wille.

Recording identifiers

ISRC
USB8U1002936
CopyrightID (CopyrightChains transaction hash)
0x477452de0b30354decb11452bb367afbb0b91c921488a29434b2138f6c8a0217
Copyright registration time
2026-07-07T19:25:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:708a5eac34e5e58d7e44cdaa52889ca7b40052c66ff51d581b46e559385e5e4e

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.