Otra Vez

Recording by Nou Nueve.

Recording identifiers

ISRC
QZTBE2361505
CopyrightID (CopyrightChains transaction hash)
0x569faed5af6a656dc281d7b0c85082a59b5d74f319359bfeef00adec00f93abe
Copyright registration time
2026-06-06T21:58:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:f31a6f6d8b22673c527ed7031fec9ae54d1d91b5e22d34911a6976504616d432

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.