Sibyl

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPE300500845
CopyrightID (CopyrightChains transaction hash)
0x5b37ca1a8c8d5fac67bee5e293caf8c8a46713912999e2eaf151e03082f71c7e
Copyright registration time
2026-07-06T23:52:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:fe71f91e0fd3c6b85187943d6fe59ad27db63c03109891ddfdec50988e7040df

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.