Back In Time

Recording by Martin Ikin.

Recording identifiers

ISRC
USUS12000732
CopyrightID (CopyrightChains transaction hash)
0x73ab675ad9ebf93ff9be94dd48e1b9a9dd506854e3a585d0bfbfbaca7d75a46e
Copyright registration time
2026-06-19T21:49:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:76ae05bb25ec133f1489160893059602fcc6f9ac5cd6767ca284492ebf00ee6d

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.