ISRC DEU921368026
Verified recording
DEU921368026 is “Est-ce Mars, SwWV 321: Variation 2” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x341d5fb86213d6b05dfb4f36661ba48550345d1bbe5ecfa132822ed1e437be61 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368026.
Recording identifiers
- ISRC
- DEU921368026
- Title
- Est-ce Mars, SwWV 321: Variation 2
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x341d5fb86213d6b05dfb4f36661ba48550345d1bbe5ecfa132822ed1e437be61
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:ab7bed141af632f6ab4caf566dbc0f6ae68e8765b54c0094e92627e5b1307947- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368026
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Est-ce Mars, SwWV 321: Variation 2 · Machine-readable JSON-LD