Once upon a time

Recording by Michelle Birkballe.

Recording identifiers

ISRC
DKCL92300106
CopyrightID (CopyrightChains transaction hash)
0x7222693f0639f0455463dfa2f756204f6cc440559527b28a4073eb480e0ec481
Copyright registration time
2026-07-07T08:31:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:944d8217ee3678778fca20031c75a4c386ab75c229d8a4901542d7d90e2bc746

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.