ISRC US3DF2176092
Verified recording
US3DF2176092 is “Notebook” by Happytear,
registered on the CopyrightChains blockchain with CopyrightID
0xc09d2aa234bc2dc4c382a1057906b6906d6ad5103b0e478a5179dce348c78281 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2176092.
Recording identifiers
- ISRC
- US3DF2176092
- Title
- Notebook
- Artist
- Happytear
- CopyrightID (CopyrightChains transaction hash)
0xc09d2aa234bc2dc4c382a1057906b6906d6ad5103b0e478a5179dce348c78281
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:6b1afc33fb01bfee34b81b361bccc87e1efe9dbf81bb0e8a105230bcc14e083a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2176092
- Bitcoin block existence check
- https://blockstream.info/api/block/957120