ISRC NL1LE2102056
Verified recording
NL1LE2102056 is “How Much Longer” by Sofasound,
registered on the CopyrightChains blockchain with CopyrightID
0xf3f8d7829b7a5740fa2f522975e6680776f5e145ed9d91589f0bf096d21a5450 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL1LE2102056.
Recording identifiers
- ISRC
- NL1LE2102056
- Title
- How Much Longer
- Artist
- Sofasound
- CopyrightID (CopyrightChains transaction hash)
0xf3f8d7829b7a5740fa2f522975e6680776f5e145ed9d91589f0bf096d21a5450
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:fcccba19e38d26e7ce93cbd88b51657299d9f0806f27b4d056854d33084516ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL1LE2102056
- Bitcoin block existence check
- https://blockstream.info/api/block/956302