Cantigas de Santa Maria: No. 2 - Muito devemos varoes

Recording by Alfonso X El Sabio.

Recording identifiers

ISRC
SEWDL0531304
Release date of the album this recording appears on
2009-02-24
CopyrightID (CopyrightChains transaction hash)
0x0984448de4c14535a91f807a7275fb178c7f62e633daee4998bfcb256081f7f1
Copyright registration time
2026-07-30T14:39:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:53:07Z
Bitcoin block
960268
Canonical record hash
sha256:3f986f4d22b03004911f33f1df4fffba4c2a23ee42a1ce359c691afa50615df8

What this proof establishes

This recording was released in 2009, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.