One Man's Ceiling Is Another Man's Floor

Recording by Paul Simon.

Recording identifiers

ISRC
USSM11002071
CopyrightID (CopyrightChains transaction hash)
0x55a1d8a72330407f7e1e5fd839d9fdd5ec6ea94219d98d8e501d961630712688
Copyright registration time
2026-06-06T15:57:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:bbee5b9ee872eaed95f2165237f0918a70660f0a26555b746ecf2ec10b714b66

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.