午後のお茶時間

Recording by ユーキヒロセ.

Recording identifiers

ISRC
JP92N2406794
CopyrightID (CopyrightChains transaction hash)
0x7dce00518834a10dbeb6dbb1dad02e1d554a52268d3126f8abcbb362a7e4866f
Copyright registration time
2026-07-30T02:05:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:21:55Z
Bitcoin block
960198
Canonical record hash
sha256:b79070cdd376c7a1b98b4ce1ab26b661dc1f13f064e25a79a2ff377f8ff67a74

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.