Tonada Y Cueca: Tonada

Recording by Carlos Guastavino.

Recording identifiers

ISRC
FR92Z1000034
CopyrightID (CopyrightChains transaction hash)
0x053e09cb85aeb070c7a7fea0bdaf43abfc94319beb72326e75546b17bb2e2895
Copyright registration time
2026-07-06T05:06:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:bd7bcfdc5218300754428684da310c073898ce49f552d684c6bfe7fd426c8f98

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.