Viena

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BR9461800006
CopyrightID (CopyrightChains transaction hash)
0xaa1e6476181ab0d19b3a69cf54b756709057cf1bddc5caa440404cd4c22f50e0
Copyright registration time
2026-06-10T22:52:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a2274bad09c3beabb9d444761a380854b3055273eb300a62bbc53600c6956992

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.