ISRC US57M1501814
Verified recording
US57M1501814 is “Ultra Heavy Black (Bonus)” by Skold,
registered on the CopyrightChains blockchain with CopyrightID
0x8f927fb192aabbbca77b1a65a803c345bbe40b0da77600ec671fe7e29bf6b6e5 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1501814.
Recording identifiers
- ISRC
- US57M1501814
- Title
- Ultra Heavy Black (Bonus)
- Artist
- Skold
- CopyrightID (CopyrightChains transaction hash)
0x8f927fb192aabbbca77b1a65a803c345bbe40b0da77600ec671fe7e29bf6b6e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:2cfda94631aac587aa23ecb3257ad626d7dee7e11e65dd98a94d17e29d969c8a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1501814
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Ultra Heavy Black (Bonus) · Machine-readable JSON-LD