楽勝

Recording by 藤間 仁.

Recording identifiers

ISRC
JPI101900246
CopyrightID (CopyrightChains transaction hash)
0xcc2dd717667df39dfe5cc58b7ac5b53063ce775f24e8e3ab87aea24707da84af
Copyright registration time
2026-07-30T13:12:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:db68239cc97a45842d0bbd499e603eabe8e1c7f7b30025316b14f062c65a2323

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.