Callin'

Recording by Mikio Sakai.

Recording identifiers

ISRC
JPVI00708270
CopyrightID (CopyrightChains transaction hash)
0xcd61b99dbbf3e9bfae30b95a4ca8d7ee81b7d30b2066686f25ac49f91abf2262
Copyright registration time
2026-06-10T15:44:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7e225e989f5d63cbe9e7073aa3401f2e4e50426c347ff540ed1d73a52af24fea

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.