ISRC DEU921368027
Verified recording
DEU921368027 is “Est-ce Mars, SwWV 321: Variation 3” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0xe3d39db1f1bb5bd5d01dec16d254b952f3c9ed85495026a7dfe2bcd8869044fe and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368027.
Recording identifiers
- ISRC
- DEU921368027
- Title
- Est-ce Mars, SwWV 321: Variation 3
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0xe3d39db1f1bb5bd5d01dec16d254b952f3c9ed85495026a7dfe2bcd8869044fe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:67c9f4ff77d48f64caa41a8e73fc76d58c88a921aca0585e7293a81d718f2da5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368027
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Est-ce Mars, SwWV 321: Variation 3 · Machine-readable JSON-LD