twice

Recording by Sara Berki.

Recording identifiers

ISRC
AUWA02400504
CopyrightID (CopyrightChains transaction hash)
0x9ea3e20a0f4ffd76c631baafb334cfdd68025eea9fa77eb9a0ec2ed1bb370ffe

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:51:35Z
Bitcoin block
960481
Canonical record hash
sha256:cd9d5c587948390832d3dcb0fe7839a2c6e7fd337dea4dd1388612759306c1c5

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.