Dos Hermanos

Recording by Martin Castillo.

Recording identifiers

ISRC
QMFLS1300040
CopyrightID (CopyrightChains transaction hash)
0x1dbc1afeb4ffcd367fb5e43e0bbb1b4bd9cd39294e66b642514432c0300b29e7
Copyright registration time
2026-06-18T18:16:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6803eec37680a3acc3d2f7f761a98d039b0f80b298ae27bb07251e1f8d84f79a

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.