Requiem

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPE300500884
CopyrightID (CopyrightChains transaction hash)
0x357390ba82b27ee8d435cc489c1cbea3110a99f67cd20976d3027de519200062
Copyright registration time
2026-06-20T23:29:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:534ec8a07d05338de7bb1c3048f724e9752e805dd7280d4ada0c15db6b7fbe2a

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.