To się nadrobi

Recording by Kuba Knap.

Recording identifiers

ISRC
PLN891700136
CopyrightID (CopyrightChains transaction hash)
0xfcf9d6284c99b2f617e2c4c80a704813bc17e90a1294b4827406169f3b3d04b8
Copyright registration time
2026-07-06T21:14:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8425e41cf3c88658e84e1c28fea83fc6d9a700410b7c77c538cf23ee4baf7947

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.