Bouncing Ball - doof mix

Recording by Hannah Laing.

Recording identifiers

ISRC
GBUM72403770
CopyrightID (CopyrightChains transaction hash)
0xaf064503c77f9718b81d9c2780f0c24638742b987853748fad1879e95fca794f
Copyright registration time
2026-06-05T11:30:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4c237844bc55c586583c289491468fdfb912f8b086bc15d5c478e1cd5947a3b6

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.