Kochanie bye, bye

Recording by Ryszard Rynkowski.

Recording identifiers

ISRC
PLB170800890
CopyrightID (CopyrightChains transaction hash)
0xb9e15532e7d1b53ced9912f3f45e42564c56d8cbd83f79f7c91a793a1c8c9783
Copyright registration time
2026-07-07T00:11:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2caa6eefd165aa3d1ad1d7c1e7bd1a8e1a50bc92b37055b7a4ee0ae4fbd63ec0

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.