地久天長

Recording by David Lui.

Recording identifiers

ISRC
HKI491505105
CopyrightID (CopyrightChains transaction hash)
0x1ef942703167206221c12a22d2c0cd2915d95672ccc330feeaa2540ff78b8f89
Copyright registration time
2026-06-23T15:50:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:2cd1be03ac2131f13b99a63cd77724285abf1a10a74e7b929ea83784dc2a5654

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.