Marta

Recording by Ed Motta.

Recording identifiers

ISRC
BRDWI1200014
CopyrightID (CopyrightChains transaction hash)
0xbaf256d5b1582942ca703e23e118c78a6fbb2de52dc65f7b5e77a15ad4aeb664
Copyright registration time
2026-06-07T16:12:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:bca40228397b3e5e0038a239e9f5a19aebb7d975749b0b0f4b8759eee80b27ea

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.