2/2 cup

Recording by Yoyo Sham.

Recording identifiers

ISRC
TWH471200102
CopyrightID (CopyrightChains transaction hash)
0x891830159861288a5dded13ceef71c0bc5c29f3e63ad137abc910a379fad229d
Copyright registration time
2026-07-06T08:21:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:25356744b98d9366c3975fa0104b238bccc80b6d37eaeb342cd3ae730e050fe4

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.