時の刻印 II

Recording by Takashi Kako.

Recording identifiers

ISRC
JPSR00005522
CopyrightID (CopyrightChains transaction hash)
0x1947bdd1673edddeb3aa450071b48aa132466a7571658dbf45b9a2beee4eb6fa
Copyright registration time
2026-06-24T06:50:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:2bc3f320ed23494e379bf18e16e6a96a246f0f1690cb3df59c90833762351df9

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.