ISRC DEU921368024
Verified recording
DEU921368024 is “Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 4” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x0e2d0576b27106efbba2efc9a5f196c94cb7946a4a42e138252eb2c0ea1b8c57 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368024.
Recording identifiers
- ISRC
- DEU921368024
- Title
- Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 4
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x0e2d0576b27106efbba2efc9a5f196c94cb7946a4a42e138252eb2c0ea1b8c57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:fb54d921d0cf88a3bb17eeebbf0cb60a98b9ec6a7ce42965b1ea2303db50b27a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368024
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 4 · Machine-readable JSON-LD