Amargo

Recording by Cássia Abreu.

Recording identifiers

ISRC
BRUSA0500648
CopyrightID (CopyrightChains transaction hash)
0x7fabdaa470a344b0130fbfaa2bd3d65009ce752e2c273db1c81e3ba629002309
Copyright registration time
2026-07-07T08:41:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a090b82b2705b4577e36447a04a701091df3c6d044b2d5b681618573bf865bfe

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.