Dwie akacje

Recording by Michał Bajor.

Recording identifiers

ISRC
PLB170702030
CopyrightID (CopyrightChains transaction hash)
0x15fbad6c64720bb7c9daa56f5686fff3fe9055640ea57e9d0e3616432109eee9
Copyright registration time
2026-07-07T04:33:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9bf76d32c8373770d7fa5ad018cfe229eac1f4ecff5ae1333ae4b760817bab70

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.