regret

Recording by Kensuke Ushio.

Recording identifiers

ISRC
JPPI02351110
CopyrightID (CopyrightChains transaction hash)
0x141a7acaa4e42fd9df6b8f95b093ae67a7e1b7a2d7d7d3a208b1905c9b09fb3c
Copyright registration time
2026-07-06T19:55:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5180007ff543bbf58e490b8ebea27c9cdc023abc5b7a7a64f62f354fcc165b0e

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.