La certesa

Recording by Anna Andreu.

Recording identifiers

ISRC
ES97D2209802
CopyrightID (CopyrightChains transaction hash)
0xbc810324fbe738db0b7c5618e3144aea18181b9464a5c7d96164593cb57a40dd
Copyright registration time
2026-06-11T03:33:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:841d671aaf55109568a0d751adf5fc933d28f9bd2ed65c3005a902f911c01f6e

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.