Coração triste, Op. 18 No. 1

Recording by Alberto Nepomuceno.

Recording identifiers

ISRC
DEN962000800
CopyrightID (CopyrightChains transaction hash)
0xf117bd774b8b31750383092e3c1608496af56a583ae200bccd17c6128a5997fd
Copyright registration time
2026-07-06T18:50:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5b545f638a50d8fcade74b014fe3ab4f36f7e42e077742eab6f0cabdf3c940aa

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.