January 4

Recording by 角銅真実.

Recording identifiers

ISRC
JPPO01904620
CopyrightID (CopyrightChains transaction hash)
0x28830e55afee331ce9797e09280b2e9dde79401349cdb72ffa2a62bea683b3f9
Copyright registration time
2026-06-10T07:50:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:08cdcfbf0b8f09bc7686b63eba3cc9c5bf9f4109db27d9148a176203beade3e1

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.