Porpora原人

Recording by 冬野ユミ.

Recording identifiers

ISRC
JPJ822400205
CopyrightID (CopyrightChains transaction hash)
0x7b56b2d05aac2064471ff1fa68e193492594eae409c065549c23898c4fd2ecec
Copyright registration time
2026-07-07T19:28:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:e18bf475b30e6f1cf1380d682e4e85f6cef11bbec3af24b41404f88e0ad993e9

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.