Última Canção

Recording by Martinha.

Recording identifiers

ISRC
NLRD52413646
CopyrightID (CopyrightChains transaction hash)
0xd325582f702c28aff29707dcab303b7ecbcff6ea3a90026e4a9b49b397f6f866
Copyright registration time
2026-07-29T22:20:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:d83153cfde6f74f7842eac46a56dd198b676d7369729a2380202339dd4d3dbe6

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.