Obertura Mexicana

Recording by Merle J. Isaac.

Recording identifiers

ISRC
FR10S1555880
CopyrightID (CopyrightChains transaction hash)
0x537549f4e1d5737077c5c97a7906a072006c4df0d6e5dfd1973eacda2bb3b097
Copyright registration time
2026-06-23T08:44:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9fe45cf2c18d2c40c2aa262757c4664e2377edd4b282d27b5dab00a8b9f46999

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.