Chỉ Còn Trong Ký Ức

Recording by Hồ Quang Hiếu.

Recording identifiers

ISRC
DGA0R2448823
CopyrightID (CopyrightChains transaction hash)
0xa65a7427692844bd02bf22512906efc2c7da9ed3a8ce3ec000c82b5809d24339
Copyright registration time
2026-06-27T15:40:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e60f693ef573bf1d42a28303e7101ea72049592340824251a2a62c5d58252657

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.