Questions 67 and 68 - Live at Carnegie Hall, New York, NY, April 5-10, 1971

Recording identifiers

ISRC

USRH10450797

Release date of the album this recording appears on

1971-10-25

CopyrightID (CopyrightChains transaction hash)

0x1b748ce8e2490178c30b797ebc8f52a15ebe829a86d0658009ea6bd94f4d2838

Copyright registration time

2026-06-26T12:26:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:544af4dfb5f5935e9f7eef8db573d2b9dc838537144ee07b5cc045519ba1f0f3

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USRH10450797

What this proof establishes

This recording was released in 1971, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.