Dziś a kiedyś

Recording by Dixon 37.

Recording identifiers

ISRC
PLF241300949
CopyrightID (CopyrightChains transaction hash)
0xaa634479de8a4a2fd7a42636e971ece93b8a0f4a916ae8fa173e1fed2abca726
Copyright registration time
2026-06-26T03:42:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bf6042abfb286750ad52ec0981fa96f73b500801bcae3cff3ecb53d31bf32762

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.