A Surda

Recording by Quim Gouveia.

Recording identifiers

ISRC
USA371376202
CopyrightID (CopyrightChains transaction hash)
0x180309a29ab27e6f76aeba6b7a1e60e31dfea9562deeeb44db0034e1db5b726a
Copyright registration time
2026-07-07T22:41:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0afa9bc860d1cd380a7067301988d8d867e0145bec05ebdc9aa1e432b1d3c079

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.