Back Then

Recording by KUR.

Recording identifiers

ISRC
USKO11900079
CopyrightID (CopyrightChains transaction hash)
0xb4a568f941b315b1ade5840158b0528c688381ec843b61cfbf8042bce1613201
Copyright registration time
2026-06-27T04:32:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f31b8a5d0d5152486974e8a20acc923d7bd848f6674de02875f95c4b5d9321b3

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.