Ballad for Trumpet

Recording by Jan Allan.

Recording identifiers

ISRC
SEPXS9813030
CopyrightID (CopyrightChains transaction hash)
0x8962d028416dee671778bacf1a6c6309910912e880e18ae075b3e2f05be62c47
Copyright registration time
2026-07-06T07:30:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:52:39Z
Bitcoin block
957043
Canonical record hash
sha256:d64ecad9b6a3db2795757758c5a0f56c05361d2dc194a547489b3f128f664475

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.