Exemplo en octavo tono

Recording by Tomás de Santa Maria.

Recording identifiers

ISRC
ES29G2407117
CopyrightID (CopyrightChains transaction hash)
0x48528c26ecedfb0fb5b35b004751b77f59228187a9817fc96a1f2c2c43689898
Copyright registration time
2026-07-30T17:43:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:ac20a81be266d140fb0e8c0b04d467521e886736da021dd8e4da44474905a109

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.