The Logical Song

Recording by Supertramp.

Recording identifiers

ISRC
USAM19500624
CopyrightID (CopyrightChains transaction hash)
0xc63197622cb7fefc57fae90a4a9b7656e21bc89a7606d0908a1f11283b6f05dc
Copyright registration time
2026-06-04T04:14:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eadba6a7f2c26aff767e3e550f76bdb03b56de09b441815be9299c3817c75aa9

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.