北鼻与底儿

Recording by 张含韵.

Recording identifiers

ISRC
HKG732299831
CopyrightID (CopyrightChains transaction hash)
0x5b214cf153652d0302d71ec44ca62f6623a9bc6f8171fad6acf685b29bc69f07
Copyright registration time
2026-08-01T00:08:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:15:43Z
Bitcoin block
960487
Canonical record hash
sha256:81f7e0427c2e1e66e914f301cd4bb8283354603c306d6a44727b4cb8c470f7c4

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.