Speed King - Live From Osaka, Japan / 15th August 1972

Recording identifiers

ISRC

GBDXG0600220

CopyrightID (CopyrightChains transaction hash)

0x79898ff02df3c5df01e0db985cdd52ef7eec9c24e67d13b9163498b52b2d1a94

Copyright registration time

2026-07-06T18:16:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T12:58:18Z

Bitcoin block

957039

Canonical record hash

sha256:f0c4b67a7f14e68ea1a55ba55a8762e7be3646aa71f6a0435a54747b3342e461

• 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.