Margareth

Recording by Victor Seixas.

Recording identifiers

ISRC
BCVRX2100006
CopyrightID (CopyrightChains transaction hash)
0x81faf0efb7239e801d2b3efcfbe474cba2c4ba4f34a21dc4617e1b1447e2bc08
Copyright registration time
2026-06-27T15:01:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:0d73a66e582a9358442ecc448179694a93fe60f86efd03558295598d396bfa3b

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.