Calling

Recording by Lưu Bích.

Recording identifiers

ISRC
QM4TW2091217
CopyrightID (CopyrightChains transaction hash)
0xbceab537b9fee223d299b72c7dd9493f92e50b1e48b476cc6b4983a29882bb4e
Copyright registration time
2026-07-31T21:41:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:2ffeb2c09a83ceee0e8c7c0833361b9ba554e10747b54d768b7a6bbc75c74315

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.