最後の夜

Recording by Small Circle of Friends.

Recording identifiers

ISRC
JPPH09701640
CopyrightID (CopyrightChains transaction hash)
0x7bd39d5cc508059f83ddb72bf338a86be90dc6f05d4ab021ff3a04fd922ed21a
Copyright registration time
2026-07-31T23:37:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:51:35Z
Bitcoin block
960481
Canonical record hash
sha256:2f08651f3ed27bf3a09b545394555e1d445b1183ab190d64aaabe3d6ea784954

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.