Único: Indiferença

Recording by William Santos.

Recording identifiers

ISRC
BRTW82200020
CopyrightID (CopyrightChains transaction hash)
0xb6916e3b749a3272856939a4fd65c5a132e7c08b0dec25a07d7a9db3cc9fc6f3
Copyright registration time
2026-07-30T01:33:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:51:26Z
Bitcoin block
960191
Canonical record hash
sha256:7d263672455099a470e5b70bcbea5f61551df69d470c57eaaaf88913bd3cdcd4

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.