Period

Recording by 佐々木恵梨.

Recording identifiers

ISRC
JPK631705108
CopyrightID (CopyrightChains transaction hash)
0x74beebdd831366af68684a07d8242fd42be0b264989be605659561f8dff1250d
Copyright registration time
2026-07-29T12:57:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:72e611f9e23bc105f2b1063390d65f5ef2f9efb6f5d6c9e9a9a2c2814d2c965e

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.