Calendar Girl

Recording by Cisse Häkkinen.

Recording identifiers

ISRC
FISBA7600441
CopyrightID (CopyrightChains transaction hash)
0x39a725d6e8014881e0a34be3e2e85f7210501336200310b5dca34d059e2a215e
Copyright registration time
2026-06-26T08:51:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:49bbb86f99d5cf9aa0e338de44fbb70dea1321421946d7656560f9b10fe373e9

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.