Popurrí

Recording by Mar de Copas.

Recording identifiers

ISRC
USCGJ1518359
CopyrightID (CopyrightChains transaction hash)
0x4af45b99fec19153ca56560f89d2195d7d2f4060738d479906840e05436914ff
Copyright registration time
2026-06-10T22:37:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9be74b46ed282b50e7ed8ed7e80cd681c93e8f58bc0b8ce1c11a38170ddd7943

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.