Na Contramão

Recording identifiers

ISRC

BR3I62400001

CopyrightID (CopyrightChains transaction hash)

0xe91e24e33f06b2327b4127c0f3c4cf266a22cc6b973cf859ce5b3c50c41c9786

Copyright registration time

2026-06-09T17:47:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T13:32:09Z

Bitcoin block

953520

Canonical record hash

sha256:9fe773cb7e7b3ddda55683e64a8ebcfbcc66f2e96f748e883a4b2834d73e784d

• 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.