Concierto En Varsovia

Recording by Gonzalo Rubalcaba.

Recording identifiers

ISRC
DEE790515630
CopyrightID (CopyrightChains transaction hash)
0x6b8a527fa9c927f7e27ad1300cfc5e026e4e948e8b28dfbbc1cfdc7cee12110e
Copyright registration time
2026-07-07T17:36:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d929f8496f16cf7f74ceec45e1f2df2e5c1cd15698c5e9e8ef0e4037bd8b5704

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.