Ultramar

Recording by Ciudad Jara.

Recording identifiers

ISRC
ES8022000011
CopyrightID (CopyrightChains transaction hash)
0x182a116b53f729d43d53d7fad7147f709cd110979b164e4009c703678a953281
Copyright registration time
2026-06-08T01:11:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ed87abe6d5e9e34ca31319114521ddcd1405941e1a63b821caa30b467ad17fd8

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.