Pranto do Poeta

Recording by Nelson Cavaquinho.

Recording identifiers

ISRC
QM4TW1537776
CopyrightID (CopyrightChains transaction hash)
0x34f1311c57b2c2e75b2715147cafcd4d1137c7d37f01fc6b27fe5db0bc91bbd3
Copyright registration time
2026-06-23T22:37:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7f770e583337a3e865cbb7848f42c636c64185c73c21d5e37bca3ffc7e025d16

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.