10-20-40

Recording by Rina Sawayama.

Recording identifiers

ISRC
GBK3W1901195
CopyrightID (CopyrightChains transaction hash)
0x474802297448d2fbb8718295890ae5e107be24a524e5adcca363b79454989c36
Copyright registration time
2026-06-04T12:16:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b5eb6c8605535b5819152a465c826de5a0fb88d484b09a62eb18636bea8922b6

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.