Bumerang

Recording by Pavel Novak.

Recording identifiers

ISRC
CZI361900060
CopyrightID (CopyrightChains transaction hash)
0x8362d49503c2b98613d89337ad5039bdffdecbad981e8838cd4bd07989176a9e
Copyright registration time
2026-07-08T02:16:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:74710d8f634547c7e6a4b4f644d3f2f0b9559618c347ddacf4f91f4559fd18a7

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.