1 + 1 = 1

Recording by Bisz.

Recording identifiers

ISRC
PL23B2000025
CopyrightID (CopyrightChains transaction hash)
0x2637e6c6592f9c3507ba241e9539fc845530eecda39b80705957e82862152386
Copyright registration time
2026-06-25T15:04:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:10cbed8888ae14f03f211bc0b92a53072459686e709215586c5cc4083a4d9fa9

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.