Giờ đã không còn nữa

Recording by Don Hồ.

Recording identifiers

ISRC
QZGCD1803558
CopyrightID (CopyrightChains transaction hash)
0x6bc035f904b9613464953338fa787a41002f3c4a7a8afd31cf2b879e4c91c0fb
Copyright registration time
2026-06-20T12:58:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2c14fd982821cb9dd80d7b06833d66eead3d2279c094b9da7810f9aba9cc8064

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.