南泥湾

Recording by 郭兰英.

Recording identifiers

ISRC
ESA012370086
CopyrightID (CopyrightChains transaction hash)
0x29d45eddfc5b469f42e81c907608265e2ace39d6d9bfca2f30ea1b947231d673
Copyright registration time
2026-07-31T00:41:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:7ec25380e31323a82655fb64a058c04f1a6ec116aa0522ed24d1731861e2bd60

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.