ははうえさま

Recording by Yoko Takahashi.

Recording identifiers

ISRC
JPKI01512175
CopyrightID (CopyrightChains transaction hash)
0x4302f07ca760e907e070dfdb1acd5bc8f6190ab238939cb1977d2f2720d6235c
Copyright registration time
2026-07-22T11:00:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T11:35:32Z
Bitcoin block
959123
Canonical record hash
sha256:2088a7d35aa50e20f8fd2049392339cc36edc4289e63e8a66b2c938cc9802eac

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.