如果早知道2.0 - 伴奏

Recording by 周思涵.

Recording identifiers

ISRC
DGA0P2330006
CopyrightID (CopyrightChains transaction hash)
0xb0d13f982ed651d6d8c283bfb03b775f1b4c303d5c02c602c4219f5cb8b9f2f4
Copyright registration time
2026-07-31T21:12:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:536f6fc79012c11e30ac349c9e385395636b51e447249f127b433f5f7427de2f

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.