A Contramano

Recording by Jorge “Toro” Quevedo.

Recording identifiers

ISRC
ARG101717097
CopyrightID (CopyrightChains transaction hash)
0x598612b5694db1562e4ce1a617f60c359c54f07595e30d4928e39fac4eefeee0
Copyright registration time
2026-06-11T19:51:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:847c28761d48577baaa13c567ebbc0881dc3b30d2f88597143da20ea7972c7a0

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.