Haruiro no yakusoku (feat. Ayan)

Recording identifiers

ISRC

TCJPL2045065

CopyrightID (CopyrightChains transaction hash)

0x9687cb4bba50a9f17e6f43d62ab229afb1a9d5ac2b6a12e76c615231cfa9d2f0

Copyright registration time

2026-07-07T22:10:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:e6e8f95c7c96b238d93d04152138dcc9f8ce9df448077b3d815f3f827f633f0e

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.