Requiem

Recording by Yoshihisa Hirano.

Recording identifiers

ISRC
JPVP00614224
CopyrightID (CopyrightChains transaction hash)
0x8b12bd03a01c66f537c2387ef3b2ce99c649d95b8ecae9464c563a0bc237b88b
Copyright registration time
2026-06-05T07:28:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1c5654fdde74bb22443542a4260a7c7c957a694427aaa6c315bc1e701772e0f3

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.