Chlorine (Mexico City)

Recording identifiers

ISRC

USAT21903522

CopyrightID (CopyrightChains transaction hash)

0xd2b64af8764fdda7cbe8f3d4ead6b36adf01e3e9b9c070e8a7539879bce9cd5b

Copyright registration time

2026-06-04T11:22:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T12:47:07Z

Bitcoin block

953513

Canonical record hash

sha256:26402c6a4950f7819bad52aa8c298a1e1daea363f400cc6cb341b19b526478d4

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.