I Have Had Singing

Recording by Ron Jeffers.

Recording identifiers

ISRC
USAB11663712
CopyrightID (CopyrightChains transaction hash)
0x0236caedc6d92a39cd2754eae1a10b7e92bc4e0cb6e3662ac0e867f56b6e4935
Copyright registration time
2026-07-30T09:28:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:0216cf905d9b7d3eb4565b767ab5a0b93a05003f7ad11ca3c9644aa4c3e6f1d4

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.