ISRC DEU921368030
Verified recording
DEU921368030 is “Est-ce Mars, SwWV 321: Variation 6” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x28361522d989034aae28d8afec34221ed51c7e97463cfc3254ba422bdc9e14d9 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368030.
Recording identifiers
- ISRC
- DEU921368030
- Title
- Est-ce Mars, SwWV 321: Variation 6
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x28361522d989034aae28d8afec34221ed51c7e97463cfc3254ba422bdc9e14d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:bb53ea7b69f9761d7b454d0cf6a6937803c51d97cb7f4cfd5286b796f7e3baa0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368030
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Est-ce Mars, SwWV 321: Variation 6 · Machine-readable JSON-LD