Sloop John B - Live At Michigan State University/1966

Recording identifiers

ISRC

USUM71602986

CopyrightID (CopyrightChains transaction hash)

0x47d9a281ad34c5a5469fce4e31f1eb9dbd5a0c9c4bdf0e4155e7a0dbdcffabd3

Copyright registration time

2026-06-25T03:16:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:2030baf908887aed5254773912d7e09d4beac43aec35e7e16a70217a3bd7545c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.