不思議

Recording by 藤間 仁.

Recording identifiers

ISRC
JPI101900271
CopyrightID (CopyrightChains transaction hash)
0x892c7404ab60c0ff8001018c12f17837b7849831d40cc113d07be1afc9dbf826
Copyright registration time
2026-07-30T17:25:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:41:38Z
Bitcoin block
960288
Canonical record hash
sha256:eb48465283fa6b9674ab88d7a660a6d51fa558155289615f4ac91b448a63b48b

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.