Sai Na Janela Maria

Recording by João Carreiro.

Recording identifiers

ISRC
BXJBS1500008
CopyrightID (CopyrightChains transaction hash)
0x0bc7ddcf21cb00cf4fb42ebfb0315037170ad1d0a6d81411f473397ec0ac2eee
Copyright registration time
2026-06-18T01:12:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:87b22d1de80a81437e2ecdfd6704c13fefd3d060f5e856bf272bbe9c1f914e86

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.