Jesienny step

Recording by Michał Bajor.

Recording identifiers

ISRC
PLB171300659
CopyrightID (CopyrightChains transaction hash)
0xa993d83416cf35d84746e904ab5710db3a7e01235c8d7c361c4325caaf9b3090
Copyright registration time
2026-07-07T18:06:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e680423fce42130886ad80cecbe2a13d24b2ff9390f39f2311f700b4b0f2ff24

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.