Showcase

Recording by Hungarian Jazz Trombone Company.

Recording identifiers

ISRC
HUA150601502
CopyrightID (CopyrightChains transaction hash)
0x07bd96b3f3e5534b38c9cd328e2dce87f1c5cc1758d73b162fa2f5492b14cbc3
Copyright registration time
2026-06-27T20:56:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:e2c80a7aa1bc3e9e88108cdc42168a635b1ec92acd8c0a5f82eba327321093b4

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.