OCS

Recording by Letter 7.

Recording identifiers

ISRC
USCGH0765781
CopyrightID (CopyrightChains transaction hash)
0xa907a37cfa3a141ecf636d105a51c285318fb54cc09c79baef9ae1125f187033
Copyright registration time
2026-07-06T10:36:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:4396b077817ec221bb421c73e3bc8a476116ba5c86eb0ec7c33ba764cbbdf5b8

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.