Betonowa dżungla

Recording identifiers

ISRC

PL44J2100045

CopyrightID (CopyrightChains transaction hash)

0xad7ba7ae98af1435d9606e0eebc07127a594e03efb1726a4c640f4ff3f5f268a

Copyright registration time

2026-07-30T22:23:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:bc2cc29b10d72067d5ced07fc49b240c63e025bf7fdd77706235850230d3ab46

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.