ayumu ii

Recording by Kensuke Ushio.

Recording identifiers

ISRC
USQX92003117
CopyrightID (CopyrightChains transaction hash)
0x8932e19da460e66aec9220dc8c70566ec686f8538aeb97935edf1e1b7c06b335
Copyright registration time
2026-07-29T12:21:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21Z
Bitcoin block
960106
Canonical record hash
sha256:808e2150db889dcde601ad0ca49883720956d64a1251497a4d644bc6c07d8056

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.