Làm Khác Đi Thì Sao?

Recording by Duyên Quỳnh.

Recording identifiers

ISRC
USWD12113219
CopyrightID (CopyrightChains transaction hash)
0xc31e8e2df88fd24de14c51251db0655c9b57b4fb2fc15d34557a97d05b19b65d
Copyright registration time
2026-07-06T07:48:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:c530842f730b8a7881eb4df9e9050d1251d0cc8e95c86e4b7eb0f62855a20b95

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.