Contigo

Recording identifiers

ISRC

SE5AJ1600237

CopyrightID (CopyrightChains transaction hash)

0x1b02604979bb8ada8de9453c4b979569e7a26c55ae3e6c485c42ecf918b27be8

Copyright registration time

2026-07-31T09:41:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T09:50:37Z

Bitcoin block

960383

Canonical record hash

sha256:67d493639b714963c14596b86a5c848ee05bed5739b9cb6efca2894aa91b0d78

• 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.