Khi ta rời xa nhau

Recording by Quốc Khanh.

Recording identifiers

ISRC
QZGCD1808440
CopyrightID (CopyrightChains transaction hash)
0x1736cb7a5d5da139966e8d9c7a3be08b4c606b72675971e9cac24bd61b0b1af9
Copyright registration time
2026-07-07T19:51:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:0b74a7d35adf3fdb42f0ffcf5c276a9ae5c9039fb105075e0ed731c60dfbbfc7

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.