Chosen Last

Recording by Sara Kays.

Recording identifiers

ISRC
USAT22006444
CopyrightID (CopyrightChains transaction hash)
0x7ed917432c437c71ea0a0622a620980411bd97feee389bae4526246e27a656a1
Copyright registration time
2026-06-04T09:21:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:af444e2bce28337b0f97dac2ccce595eb64aa4939cdcc04daa3d1d142ae214af

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.