A Toa

Recording by Juan Duque.

Recording identifiers

ISRC
ESA012155475
CopyrightID (CopyrightChains transaction hash)
0x4da742004be2a10749a7d03359e0d0fcc8e5c4d7cd177fb86d8a028e912e119a
Copyright registration time
2026-06-06T08:41:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:662b0b0bbc3426dc4a80d5354e87cda2ddc5cead22209d4b4c0b0dbf409c424f

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.