Columba

Recording by Marcos Jr..

Recording identifiers

ISRC
CA5KR2105013
CopyrightID (CopyrightChains transaction hash)
0xd577da43fc1ef14bbc2c22adc6d64fd59f6a4cc914f81b4b1bfccb357b099805
Copyright registration time
2026-06-20T16:23:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:178ac37ea0f37ef8548f7516760df5c163235637a01606b1bbc5858205b20bbe

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.