Numancia

Recording by Attaque 77.

Recording identifiers

ISRC
ARF039703331
CopyrightID (CopyrightChains transaction hash)
0x82973ab84b7bedffde4550ebbd54a6baf96e88c1c7a09d28a1e69a8f9628045e
Copyright registration time
2026-06-18T07:40:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1186f21bbfefd214bd3a8f2afc68702b60a3d5a24a149779d27b176813711df1

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.