Cantiga de Embalar 2

Recording by Paulo de Carvalho.

Recording identifiers

ISRC
PTBM11700260
CopyrightID (CopyrightChains transaction hash)
0x1504cdcc976391d6836df29bfc4bb8945637453b7fffcbe9cb85f3378cd97a2c
Copyright registration time
2026-06-18T17:18:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a8f248bdc8ffc786e409e9fe86ab2f440a96677086c5b516a566c5c49dc234e7

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.