Back2back

Recording by F.O.S.

Recording identifiers

ISRC
TCAEM1966438
CopyrightID (CopyrightChains transaction hash)
0x71e92c63e0012857fa7167945a2ecb838f26a82e89937b353b97718900f42a99
Copyright registration time
2026-07-07T17:27:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1eb11114588942a32d47dac395fd16c19e65e16eb1acbb264b52a6ad8f728724

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.