情難忱

Recording identifiers

ISRC

TWA239300035

CopyrightID (CopyrightChains transaction hash)

0xa9cd056221a12c40db12c41e7acf417f74ff1ace5939a4816c97d4a5e82e92e5

Copyright registration time

2026-06-07T16:37:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:2b960264a605a3aa9930df8805d884b194d6bce4bc7fc45153fd1fdf2a9037ef

• 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.