Firm Foundation

Recording identifiers

ISRC

US25L0902453

CopyrightID (CopyrightChains transaction hash)

0x5d9dcc5b5114f28bd4109d076a92a302e140b0b9d37f51d9720a1938485cae8d

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T05:17:02Z

Bitcoin block

960348

Canonical record hash

sha256:1a9e0088109a03d07ea1c76bdd054e7ae332eb77fa5b9ac59e3ac6ef9b7c4329

• 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.