Barcelona Nights

Recording by Ottmar Liebert.

Recording identifiers

ISRC
US83Y0552427
CopyrightID (CopyrightChains transaction hash)
0x03e231765bb4a9d1c28a3f620ba3410ab1d10f5e5921afbc6ce0c399d1b9dab1
Copyright registration time
2026-06-26T02:25:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:84cd977baf9f0ef8a19a93e938bc4649f1047b09ff0e180664feb463e06465e9

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.