第二春

Recording by 楊燕.

Recording identifiers

ISRC
TWAN77190001
CopyrightID (CopyrightChains transaction hash)
0xe21dc8e8a781babb618318d0813c675c090d88824055e7bbd7df067d7f2cc450
Copyright registration time
2026-07-30T02:39:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:89ce9ee665e28699e110fb8318405619cabaf6f48643deb6f5e33ca0bff6105d

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.