Mar de Sueños

Recording by Mark Barnwell.

Recording identifiers

ISRC
GBPS81500637
CopyrightID (CopyrightChains transaction hash)
0xe1d1ec22bdc8a1f68b0de2dff5e1279511511e0e560ec85f73b73cb99374d091
Copyright registration time
2026-07-07T13:50:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a4754b378fa83a1cb4b1b24c7b76e852ea7b32ac5e8c9610889618f9f790fb18

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.