贝多芬的乐章

Recording by 张妙格.

Recording identifiers

ISRC
DGA0Q2367715
CopyrightID (CopyrightChains transaction hash)
0x34708d58d89f27b5a2c11531fdbfad340e00e8be01210a0f207eef81deb59a4f
Copyright registration time
2026-07-06T03:49:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e0ef9fcc536d87ce353c905d582f93e39bbc3d9c89cf6f1a86e9b675390ec555

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.