19.03.23

Recording by Ultralágrima.

Recording identifiers

ISRC
BK4DA2409886
CopyrightID (CopyrightChains transaction hash)
0x59870af973f448feedc2ddc1a26445f1c71d738083b56ea6072147a758a09b09
Copyright registration time
2026-06-11T00:30:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:938e407f83f5bbd02678cc56213a9523638a039b81525c83ff6cb31942c51a71

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.