Ballad for Solo Alto Guitar

Recording by Daniel Börtz.

Recording identifiers

ISRC
SEAGA9524150
CopyrightID (CopyrightChains transaction hash)
0xdecb0a341203ca236eb69957869433bb4fc8f62c599a2b2a3c10d0351db67922
Copyright registration time
2026-01-28T22:33:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:314e1e92c0408fae0ebda993c0da92f4e6ef077d89292a6e83777a81231d3337

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.