Back Then

Recording by Alexander Lewis.

Recording identifiers

ISRC
GBKPL1808215
CopyrightID (CopyrightChains transaction hash)
0xdbbb0393d3b43cfea0b9470acc9be15a6d8e82cd8d2c4d197b567a0dd2da9f86
Copyright registration time
2026-06-07T12:31:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:511d9c6bc853723726b60492dec4b2eaabe2841a2335a6885645392d0664003d

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.