Has It Been You

Recording by John Mark McMillan.

Recording identifiers

ISRC
USHM92192043
CopyrightID (CopyrightChains transaction hash)
0xf6e85cd57780a751cde19651e34af2353401d47b7f5349dbffc80288e6842642
Copyright registration time
2026-06-06T22:32:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:763c7f5c06c444b32f23f9ca5f856dab38e9be5c21f8fcdbd4a58104c43ab29b

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.