ISRC USSUB1306003
Verified recording
USSUB1306003 is “Springtime” by The Head And The Heart,
registered on the CopyrightChains blockchain with CopyrightID
0x68391817e6619386d59f82392758aae545f0c0f5f79d67f7fe0eb2d1da4b1d5d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB1306003.
Recording identifiers
- ISRC
- USSUB1306003
- Title
- Springtime
- Artist
- The Head And The Heart
- CopyrightID (CopyrightChains transaction hash)
0x68391817e6619386d59f82392758aae545f0c0f5f79d67f7fe0eb2d1da4b1d5d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9a80b7d0fd20423497e5dfbacc52027e14da232d0bea4c56a1b4576c56317f6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB1306003
- Bitcoin block existence check
- https://blockstream.info/api/block/956304