Águas De Março

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
BRMCA0500701
CopyrightID (CopyrightChains transaction hash)
0x797cbc75122da87fab5fd81d695894667317f87874b96cac475a0ca3f18192e3
Copyright registration time
2026-07-06T07:09:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:48aabfba02ec950e36561a911986e4696b735cb5901011a381c18fbae92a4c8b

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.