Sao Paulo Blues

Recording by Roberto Vallicelli.

Recording identifiers

ISRC
IT7151394641
CopyrightID (CopyrightChains transaction hash)
0x5716174eef0af654280ad3f254ddffa3d30fc779de6b63e3bc84cc686ec9f509
Copyright registration time
2026-07-30T14:03:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:e8aeb9b329c4ed1f220bfc0fc72c3fcbc21244386048e7c633bd9ae65b876246

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.