ISRC DEU921368002
Verified recording
DEU921368002 is “Fantasia Ut re mi fa sol la a 4, SwWV 263” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x13c2705b48dc0567cb65e4b6626ffc089725a1a21124baab1a867e4cf270d852 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368002.
Recording identifiers
- ISRC
- DEU921368002
- Title
- Fantasia Ut re mi fa sol la a 4, SwWV 263
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x13c2705b48dc0567cb65e4b6626ffc089725a1a21124baab1a867e4cf270d852
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:50addfd50d5ec95999eca4f364b938717b5cb0a69d9a2fb7b03c3690c7fe3a6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368002
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Fantasia Ut re mi fa sol la a 4, SwWV 263 · Machine-readable JSON-LD