Intro

Recording by Marcos Jr..

Recording identifiers

ISRC
CA5KR2000826
CopyrightID (CopyrightChains transaction hash)
0xe0b2075718bbb788b6d2ab52bfe824a691a8fb955ecbb7a30762f50ece56e613
Copyright registration time
2026-07-29T14:41:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:b2d94bc066b0650baea6869c1ce07b1ffb1b94338a74d8a08bb96fb01585eaad

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.