Nina de Cera

Recording by Francesc Heredero.

Recording identifiers

ISRC
ES5060919302
CopyrightID (CopyrightChains transaction hash)
0x061a0b81a6c8988b0d988da26b203030426521a7548788cd1adb8be000991b4c
Copyright registration time
2026-07-31T21:37:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:5a17abcb6c1ab4ae02ba4c273a28fbc661b4b1ca46c10ad186e5415c407d3a1c

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.