Marcas

Recording by Año Cero.

Recording identifiers

ISRC
AR3C31700006
CopyrightID (CopyrightChains transaction hash)
0xd783e54e836285b126fa1e8d6dfc52540b74353df6cfd1defc58300eba870e53
Copyright registration time
2026-07-07T05:46:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:89b235b83bfd1fd1bf743275f905da8e8dff093cf6eb380ee193ba99011472ec

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.