ISRC DEU921368025
Verified recording
DEU921368025 is “Est-ce Mars, SwWV 321: Variation 1” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0xf39348ca95fb473e58e55ab5a7d15c995bb218f8da751c72c585ec4b6f51a733 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/DEU921368025.
Recording identifiers
- ISRC
- DEU921368025
- Title
- Est-ce Mars, SwWV 321: Variation 1
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0xf39348ca95fb473e58e55ab5a7d15c995bb218f8da751c72c585ec4b6f51a733
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:cd34fd54ebbfb8fc4e86f93f47127c3607c14546b214ead12ad3058d5014f1d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368025
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Est-ce Mars, SwWV 321: Variation 1 · Machine-readable JSON-LD