Playback

Recording by Refew.

Recording identifiers

ISRC
CZUM71900421
CopyrightID (CopyrightChains transaction hash)
0xae4225df3a3c5bdfb2bf51d00d45a962c19cfb2a6a634d382e3b14a32ace5b20
Copyright registration time
2026-07-22T11:37:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:2830341cbbfaa32bff8ae0118e8acd23dbe00a231ecf437bb7ec15ceadb0b6f0

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.