Recording by um-hum.

Recording identifiers

ISRC
JPWP02100227
CopyrightID (CopyrightChains transaction hash)
0x21ff61942193f1d87be5ca3400d4c50f81bed0c84184eaddc21df87ebf3da4e2
Copyright registration time
2026-07-07T09:02:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ad45faf4cf61b3149e4508d8e87b7d6d6727f00ea17f8209c9aef1c1e43e9b8a

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.