I Heard A Love Song (But You Never Made A Sound)

Recording identifiers

ISRC

USUM70737366

Release date of the album this recording appears on

1973-12-06

CopyrightID (CopyrightChains transaction hash)

0xafd4dea14d8048596e899559759f0e665783697e196d59761c386982ce808744

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T04:52:22Z

Bitcoin block

960513

Canonical record hash

sha256:d46aca89089d62504e2f40594d4e2ce974f77471b4471a0cf41d67fd1d4c3315

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USUM70737366

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.