Changes - Recorded live at the Music Hall, Boston 1st October 1972

Recording identifiers

ISRC

USJT12300023

CopyrightID (CopyrightChains transaction hash)

0x425dd04fb63917e1f5853838c5c4ac4aed6dd04b902160bfdb8c753f9390b452

Copyright registration time

2026-06-19T03:28:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:25ee0b46132a567b2276ab9ec965ce3c8d537ede2a45620e08bd8645de9c32f9

• 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.