約束の風

Recording by Alter Ego.

Recording identifiers

ISRC
JPB622400477
CopyrightID (CopyrightChains transaction hash)
0x31ba06eecdbe877e6f99b328f8e3e77ca8785753f8c50be8e152ccd74e6c5939
Copyright registration time
2026-07-29T16:39:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:1be78bfe531d04aad2c796221b4cdee5d6677b0b49506feaabb8c8db69eb3e32

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.