Piosenka starych kochanków

Recording by Roman Kołakowski.

Recording identifiers

ISRC
PLB171600568
CopyrightID (CopyrightChains transaction hash)
0x2ce858349c67bd644db3dd780441affea9659715e15da62978c8075c7c2fd3f3
Copyright registration time
2026-07-07T05:15:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d545b87f1fd6a5e46b841d70edcf229fe5a96f65c2aeb4cf576d02f4bc1d07d8

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.