Muramasa(Tate)

Recording by 筒井 香織.

Recording identifiers

ISRC
JPR502201005
CopyrightID (CopyrightChains transaction hash)
0x579fabeeaae254bb822b568f0bbcba8f7bb8eb5396a35b575f9974375a3d486e
Copyright registration time
2026-07-29T23:51:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:11:40Z
Bitcoin block
960173
Canonical record hash
sha256:5b40bcfff9783384a27380800700f4b15da9395e670bc8330e41ae38fc2309fc

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.