C大調

Recording by Angela Chang.

Recording identifiers

ISRC
TWA210722103
CopyrightID (CopyrightChains transaction hash)
0x350367f7735325377f0780be02b21a5c54dbb1920a6a46ade92b58d4c3e602c5
Copyright registration time
2026-06-05T23:44:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:0747f3133f588a3e6c9495aef0abd920fc2f3deff675225cca96081461879ad7

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.