USED TO (Feat. CIFIKA)

Recording by Woo.

Recording identifiers

ISRC
KRC712000028
CopyrightID (CopyrightChains transaction hash)
0x6ad1c22b935b426fbaab0252791c8146f4641fde4595fdde79ffd9d179646bda
Copyright registration time
2026-06-08T18:58:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5323b62884a151f73e932299537fc7c627d2059fa5410cedb717e2c9d4e448c6

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.