ISRC DKBKA0300945
Verified recording
DKBKA0300945 is “Kontrabassen Lassen-Madsen” by Sigurd Barrett,
registered on the CopyrightChains blockchain with CopyrightID
0x133f2499b9facb80cb1e98e4b584ebad9c673395c0b0275c42c3b8f3455ecef8 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKBKA0300945.
Recording identifiers
- ISRC
- DKBKA0300945
- Title
- Kontrabassen Lassen-Madsen
- Artist
- Sigurd Barrett
- CopyrightID (CopyrightChains transaction hash)
0x133f2499b9facb80cb1e98e4b584ebad9c673395c0b0275c42c3b8f3455ecef8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:377f06741d3aa8ec25d5271f0e715704cdc015a97bb0bee0d0a29e2dbaf93c25- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKBKA0300945
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Kontrabassen Lassen-Madsen · Machine-readable JSON-LD