ISRC GBSMU0077917
Verified recording
GBSMU0077917 is “Downhearted” by John Kroon,
registered on the CopyrightChains blockchain with CopyrightID
0xd6a3178da98ffa64d258cedb3b00e2a84bbe4c3cff38ea3b479b5700b27a8e95 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/GBSMU0077917.
Recording identifiers
- ISRC
- GBSMU0077917
- Title
- Downhearted
- Artist
- John Kroon
- CopyrightID (CopyrightChains transaction hash)
0xd6a3178da98ffa64d258cedb3b00e2a84bbe4c3cff38ea3b479b5700b27a8e95
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:35a0462d0ae7898331ece371895f638a89d1e357835724554b822df6c397c05a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU0077917
- Bitcoin block existence check
- https://blockstream.info/api/block/956302