Duda

Recording by Año Cero.

Recording identifiers

ISRC
ARLAV2200045
CopyrightID (CopyrightChains transaction hash)
0xae84ebed5a0394bf1fb3580e78e64f498e7d9747a8de2e9fcada0cd698e738f2
Copyright registration time
2026-06-08T22:57:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7dfec2beb2f510547bb47306f572fc2b5cbab0d2c8a437c74f450e01ac090c0f

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.