Kislány a zongoránál

Recording by János Koós.

Recording identifiers

ISRC
HUA253768808
CopyrightID (CopyrightChains transaction hash)
0x867e39820b87116285a9302588b9770c92d4d8287765c6d79a4cc20965f104b2
Copyright registration time
2026-06-10T04:40:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ec17a9c2b3ffb9f2d3fdb35905b6ac650bd67148d6fd2bcb2f12ccf474646503

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.