Interlude for Saci

Recording by Milton Nascimento.

Recording identifiers

ISRC
USC4R2442820
CopyrightID (CopyrightChains transaction hash)
0xb72e720f8ceab84395f37e471bceb10acd7b7a03bfdc367b59a6aec5d22a0f93
Copyright registration time
2026-06-07T19:10:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:76a744edbb4c961687bc6fe703c0ba40a060ac487f909edf07048330ba44a083

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.