16.12.22

Recording by Ultralágrima.

Recording identifiers

ISRC
BK4DA2409888
CopyrightID (CopyrightChains transaction hash)
0xe0f66efadf90efbd7a87bee976017d4969df350e1f6a34042364f278dc9253c5
Copyright registration time
2026-06-10T14:56:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:d8eb0d6198bd6b34dc2e0ee12c7e06dc1b711383a456c5f795f9f96a6ca015e8

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.