On The Quarterdeck

Recording identifiers

ISRC

GBCRS0413603

CopyrightID (CopyrightChains transaction hash)

0x45ff1014d28b67d72c05327df3a7ded2db4e869dac13188d92f581327272a5a4

Copyright registration time

2026-07-07T00:54:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:98ec4d433fa27a5530e04b74491559387a7796a9a547b92811680e08b93dd122

• 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.