São Paulo

Recording by Nanasai.

Recording identifiers

ISRC
BCEUW2100002
CopyrightID (CopyrightChains transaction hash)
0xb6899d17c69fdf52c53f998d525cc59dcd35cc8ea746daf7a7c2d653e9d1be58
Copyright registration time
2026-07-06T20:12:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4b10e517c614e96e4708f946dba8de1b93dace303e13c759bdf728831dc87e4e

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.