Kontracepcija

Recording by Pekinska patka.

Recording identifiers

ISRC
HRA048065514
CopyrightID (CopyrightChains transaction hash)
0x4478ce28846432d6e57eaa9a8dcbbd647415bb14c7b020e366c3c8eff383181f
Copyright registration time
2026-07-07T08:44:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c33494ac58e899843fadff2528a453702e8054cdf41e47f770d6079a2cf69587

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.