Back Jack

Recording by Freiboitar.

Recording identifiers

ISRC
GBSXS1800129
CopyrightID (CopyrightChains transaction hash)
0x7fc1983f84ef8c05bb963a37f1a726fe2024e59be5c992059a8b76e38205d750
Copyright registration time
2026-06-07T14:58:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:99ee7b5d62df3e6c04a8093dfc4c10140d56193c0542adf4528da89ea4a97c16

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.