ISRC JPN101201532
Verified recording
JPN101201532 is “約束よ(チームK Ver.)” by AKB48,
registered on the CopyrightChains blockchain with CopyrightID
0x436b5bb71250d1a3db5a8b29a4c6ab7f88bdfdc6681f48086244f8306b2db50c and independently timestamped
in Bitcoin block 957041 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN101201532.
Recording identifiers
- ISRC
- JPN101201532
- Title
- 約束よ(チームK Ver.)
- Artist
- AKB48
- CopyrightID (CopyrightChains transaction hash)
0x436b5bb71250d1a3db5a8b29a4c6ab7f88bdfdc6681f48086244f8306b2db50c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:25:45+00:00
- Bitcoin block
- 957041
- Canonical record hash
sha256:8de610f6150e547dcdfafb95dd8167a3bcc11ed0162e77ee009a07ec7ffaee3d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN101201532
- Bitcoin block existence check
- https://blockstream.info/api/block/957041