Egyszer

Recording by Rúzsa Magdolna.

Recording identifiers

ISRC
HUMAG1600414
CopyrightID (CopyrightChains transaction hash)
0x730860c8ed6f0424dfc1642d532330358da04bdd7ce3e4539e4607e88df7c6df
Copyright registration time
2026-07-29T18:12:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:5d8dde1e58d91506134476e935aa38cb5b60fab25c9e328a09aeaac976c6f554

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.