Tegnap

Recording by Váczi Eszter Quartet.

Recording identifiers

ISRC
HUA181115906
CopyrightID (CopyrightChains transaction hash)
0xaa7905567f3759199e5aad2efe471dc5cc1c70fe271964f3fc7fb05595da2281
Copyright registration time
2026-07-08T00:35:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:ad6bebd5a3b07978f71ff93de74dd1919c8e8878aed9fb8f408f6c8eba40bbb4

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.