Now That You've Gone

Recording by Billy Cobham.

Recording identifiers

ISRC
ITD880700172
CopyrightID (CopyrightChains transaction hash)
0x4096e73c216eb276b95eb4e310680178bbce87678041177287f53ac71a01b07f
Copyright registration time
2026-07-07T00:05:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4666eaae8f2f9d823c43577ac673c3735119235359289d1d8760c4129aa928d2

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.