Spirit in the Dark - Reprise; Live at Fillmore West, San Francisco, February 7, 1971

Recording identifiers

ISRC

USAT20801159

Release date of the album this recording appears on

1971-05-16

CopyrightID (CopyrightChains transaction hash)

0xbd410c0cf72ab0283ee6b2c0b3d9dac428cf63951d5be7a5ac466ce4a0d50bd1

Copyright registration time

2026-06-21T15:45:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:aab5a30823df4b6b10bce8091fd3f8b8570e360df08edc134d1f58472f95f841

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USAT20801159

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.