砂時計のように

Recording by COOLS.

Recording identifiers

ISRC
JPS801400873
CopyrightID (CopyrightChains transaction hash)
0x3a7d88a67a57087f2b4fe9aa4d76b5e2a26ee3807ba758de0d136dbd27b88981
Copyright registration time
2026-06-28T04:25:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:d97c151d0553a2f15604f4cea1265da4eb1ccf67d303fffcad74607aa86455af

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.