I've Heard That Line Before

Recording by Ruby Ann.

Recording identifiers

ISRC
USCGH1695174
CopyrightID (CopyrightChains transaction hash)
0x85c3c9ec12999e44afa90ecece968c8bfc5b8c986a5f314f87d97e2d4341a8ee
Copyright registration time
2026-07-07T22:07:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:bdb45526d07cecda857b3c54362d87994531aeddaa930ced2d232fc0f9cb7366

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.