Ouvi-te cantar

Recording by António Mourão.

Recording identifiers

ISRC
PTVC12100253
CopyrightID (CopyrightChains transaction hash)
0xf016e1a5d61e787381faa8ed58e67ebc9ebeb7648be259559344709405defa7a
Copyright registration time
2026-07-31T09:09:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:25:34Z
Bitcoin block
960379
Canonical record hash
sha256:4f53eadb3a8fca7f73b62376752119f3ae71431a3addb476201045f3abf0e636

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.