II. Metro

Recording by Piff Marti.

Recording identifiers

ISRC
TCADR1804281
CopyrightID (CopyrightChains transaction hash)
0x2ed9480bd53cf57a69952d531f79ecc2f40d0a03c0ce5ba202790d8c1988fa94
Copyright registration time
2026-06-24T18:48:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:18f916d5813a4a6824186eb7ce82abf25e2c4d6f99fbf37981808fcad8a2e426

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.