Portela

Recording by Teresa Cristina.

Recording identifiers

ISRC
BRDEP0400047
CopyrightID (CopyrightChains transaction hash)
0xa4f371e76bff486c45427c8f5f0b83354cfa2100503a912472abec9bd6588b5a
Copyright registration time
2026-06-21T06:25:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8c0bc5f867bae2f580cd2daee4e790c8c06e04178eef7cd4624b270e4157e001

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.