Mi Buenos Aires Querida

Recording by Cacho Castaña.

Recording identifiers

ISRC
ARUM71600251
CopyrightID (CopyrightChains transaction hash)
0xdd497f48e40e5961cfe3551b143acd65c0fbfb9ee6780e3caed899815d91a46b
Copyright registration time
2026-07-06T00:52:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:25:57Z
Bitcoin block
956856
Canonical record hash
sha256:b01f5a4ecb920b1eb134ea0ae522b979ed1500e84905b1c8a2887395d359f4d1

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.