Spring again

Recording by Cao Lu.

Recording identifiers

ISRC
KRA381700556
CopyrightID (CopyrightChains transaction hash)
0x10a989934e7d81066ca2ddd4f6a69d078f45303cb4e1da8065c465422812c5e1
Copyright registration time
2026-06-07T01:36:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:f599099190e904e36c07a77bbd23b450626545942ed25e2f2ac682300f33f639

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.