A la Materia

Recording by La Ciudad Maldita.

Recording identifiers

ISRC
US7VG1987144
CopyrightID (CopyrightChains transaction hash)
0xb7a489cefb80caaa52eb0cc968481f31a3677feba7216e96c1b1987b9c22a0f6
Copyright registration time
2026-06-11T12:03:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:beac6dce555aee1ff2a25f9afbeeb0233d5bc87d59edf702319cf1a67e0a1b94

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.