Canção do mar

Recording by José Afonso.

Recording identifiers

ISRC
PTVC17000074
CopyrightID (CopyrightChains transaction hash)
0xa5c1b92dce74a44688e4a54fbdc79c811a4ed7c73c78ab06b2477693dde6cfde
Copyright registration time
2026-06-23T23:22:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:cde1f46aceedd1b01c24a491839359469a7ab1d343004b01525649af30df8b8f

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.