A Tune a Day: Juz gram

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
GBE7J1207008
CopyrightID (CopyrightChains transaction hash)
0x908c4a6322db1eed88aaf1f28dba42f51c7ecd070c73c07723c2388c20064bb3
Copyright registration time
2026-07-06T07:15:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:9d11f74a69dd55e4c6c45b45556b4815c7568ba373ee9f74ab616c725adf8aee

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.