季節が笑う - Live at 三内丸山遺跡

Recording by Motohiro Hata.

Recording identifiers

ISRC
JPU901600076
CopyrightID (CopyrightChains transaction hash)
0x7194ca96e25aac00d69f9f7f4c302c9ea0ce7cb4ab7ee49883eb0a5a51452a85
Copyright registration time
2026-07-30T00:24:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:39:11Z
Bitcoin block
960179
Canonical record hash
sha256:4ccc04cd3e29e63cf2cf6e709ac49fc18e0482e8abd9b5006449111041cbde8e

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.