Jak to miło w wieczór bywa

Recording by Traditional.

Recording identifiers

ISRC
PLA246409317
CopyrightID (CopyrightChains transaction hash)
0x2f3c55386111f5bbeeb4606f1492f00672f775a1d2c74161952cc0261d6e32d4
Copyright registration time
2026-07-31T10:16:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:f94e9c54740395444b254fca7a3d7ac02d7aad40d5844eff508fe77377e02480

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.