Egyszer

Recording by Rúzsa Magdolna.

Recording identifiers

ISRC
HUC871400076
CopyrightID (CopyrightChains transaction hash)
0xba5036d386ac656d54af8b13e213a9310bad64e0a0582644142d96371234fcd4
Copyright registration time
2026-07-07T08:52:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:64cb9d5397fd37012d178ecbe007a8ed9e4aa47bae3a18971dab493053fd4294

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.