ISRC DEU921368029
Verified recording
DEU921368029 is “Est-ce Mars, SwWV 321: Variation 5” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x697b5f408bf4967432f53e97a3960da6722515b3e00a307e58cdb76592b977a2 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368029.
Recording identifiers
- ISRC
- DEU921368029
- Title
- Est-ce Mars, SwWV 321: Variation 5
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x697b5f408bf4967432f53e97a3960da6722515b3e00a307e58cdb76592b977a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:147b2b74841d8a771c6ffa3b0dc3fefcec4a153b724c205c8371e5e6c7d941f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368029
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Est-ce Mars, SwWV 321: Variation 5 · Machine-readable JSON-LD