Cecilia

Recording by Simon & Garfunkel.

Recording identifiers

ISRC
USSM10103870
CopyrightID (CopyrightChains transaction hash)
0xfb88d4a420b61a5f8934db452bb7824a6fb5344b5803b67f5c73f3558a582ba3
Copyright registration time
2026-06-18T09:48:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c172e4ddbb23b4642b56da5b0d45578ffb76ff181e6b2b1f30868a87fdcceb84

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.