Retrospective

Recording by ayame.

Recording identifiers

ISRC
JPW561805102
CopyrightID (CopyrightChains transaction hash)
0xd7cd98f2de221076918738417bf720f836b8b23f72090fbc60011b2a4d49a337
Copyright registration time
2026-06-24T06:53:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:355eec67ecb7d42e8014dad390c9b73e1d7122d481a54e650a40a5a10f72c1e0

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.