Langile baten galderak liburu baten aurrean

Recording by Mikel Laboa.

Recording identifiers

ISRC
ES5590600709
CopyrightID (CopyrightChains transaction hash)
0x21f39b56860e57a6c5a90db8b731130f268f6a54cb04d37fccd12350d0d021ac
Copyright registration time
2026-07-29T19:01:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:b673875df126e92c6ce5a62f4b8e11f81e019c74917cb34126b1fa0f29da1a4b

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.