Back and Forth

Recording by Jack Back.

Recording identifiers

ISRC
GB28K1800165
CopyrightID (CopyrightChains transaction hash)
0x0af51dffd06d8b7cec3b0a5dfb2b87554e4f95f76f464b6e36c7bf1fd380bd37
Copyright registration time
2026-06-09T06:01:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:6f446b1c70e1db61e70a0b40bb2c1c47a78d687df74ac4bd36a6efd61c85b285

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.