Dura memória

Recording by Amália Rodrigues.

Recording identifiers

ISRC
PTVC16300055
CopyrightID (CopyrightChains transaction hash)
0x40fdc5bd752cf46c7fc03edb33f53272974cb49142ede1b8c766744577cf1d00
Copyright registration time
2026-07-07T19:16:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:136434cca88da69c5a3f9f349901dc8fcb513a41388fd7b3b6185f11920dfa5f

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.