Call it Now

Recording identifiers

ISRC

QZTB42468327

CopyrightID (CopyrightChains transaction hash)

0x973652007c7947bc1cb2fc4ef0235e09f8db2b956aee8c74a85636b8ba61f74e

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T22:27:44Z

Bitcoin block

960473

Canonical record hash

sha256:1f2c53fb99c9231b60e25bdfc26c3ebab78df58c35962ea060003cd376d6f05d

• 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.