Porquê

Recording by Murta.

Recording identifiers

ISRC
PTUM71900057
CopyrightID (CopyrightChains transaction hash)
0xe74e0273b86f656f157ddefb7342b27813c0b5931ae8c62742b7e1db9b091c42
Copyright registration time
2026-06-04T14:44:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:8d963db4bd38165848403392ca4434669b0c0d000e174912ff28d9f566434a1d

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.