Used To Be

Recording by Lucky Daye.

Recording identifiers

ISRC
USRC12200702
CopyrightID (CopyrightChains transaction hash)
0x99948cac059095e13eeb25008426ddb5f88449eb1f112def5717a3fbf686af28
Copyright registration time
2026-06-04T13:38:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:e3d2652746ae07311bd256bfb76ff9dd46743ec96991a2a914cd31ad06a85917

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.