Treinta Cartas - En Vivo

Recording by Remmy Valenzuela.

Recording identifiers

ISRC
USUM71711629
CopyrightID (CopyrightChains transaction hash)
0x3afa84e34d2e1b546df07ab9e145f3e31428ca87d17742688011311b2f64c2dd
Copyright registration time
2026-06-08T06:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f8dfe359ba5bf13f08cd8efbae5f48d41ad35552ea79846d0dc1eb3ae2c3e0b3

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.