プロポーズ

Recording by 茶和アヤカ.

Recording identifiers

ISRC
JP92N2441158
CopyrightID (CopyrightChains transaction hash)
0x358d69c6be1d0534d4788e3cbf9b5068f5c0084746189f4b27d0d4b9ba42773c
Copyright registration time
2026-07-07T20:54:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:056809502b6d5c7308a1ae8fa5e81bcc7afbb2d3570b7866d7bb7ed2bcf783e3

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.