Contre courant

Recording by Wünjo.

Recording identifiers

ISRC
FR6V80306575
CopyrightID (CopyrightChains transaction hash)
0x48018aca7eff35a90f9915930a1781e3f1e101cf8bf53a67a0810192fc98fc25
Copyright registration time
2026-07-07T20:10:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:73b35372d564f00a838a51618704c6e0e92e14b43f65857c5e6afd1ea0c82089

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.