Han Er Min

Recording by Birthe Kjær.

Recording identifiers

ISRC
DKUM70500097
Release date of the album this recording appears on
1971-01-01
CopyrightID (CopyrightChains transaction hash)
0x6b9458642647638d6904e1b2eda362023ac2b7ac8d8f38b47638c05baab1adbc
Copyright registration time
2026-07-31T20:59:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:d760129ff588c830231ef74d8854a850ab7e9eb0cbc293e258f3bfcb09be9c0c

What this proof establishes

This recording was released in 1971, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.