Ha Long

Recording by Knowsum.

Recording identifiers

ISRC
QMFME2395158
CopyrightID (CopyrightChains transaction hash)
0x2162254577a02f02e4e08f137e4c486787dade718df66203068ce4d71a1f5c10
Copyright registration time
2026-06-04T10:20:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d1bf84c9727f917296d6694be46e80c119f3dce121502c8cfd6fa371663655c7

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.