ISRC DEU921368022
Verified recording
DEU921368022 is “Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 2” by Jan Pieterszoon Sweelinck,
registered on the CopyrightChains blockchain with CopyrightID
0x32f45aa9f0467e6576c5643ee5e7ce255f0efdb4aabd895501e5a1d7539f8ae2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368022.
Recording identifiers
- ISRC
- DEU921368022
- Title
- Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 2
- Artist
- Jan Pieterszoon Sweelinck
- CopyrightID (CopyrightChains transaction hash)
0x32f45aa9f0467e6576c5643ee5e7ce255f0efdb4aabd895501e5a1d7539f8ae2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:951e08b05eed06af81034042b071c4a8d3f3de092bbaf235cc671ec43853c489- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921368022
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Puer nobis nascitur, SwWV 315, "Ons is geboren een kindekijn": Variation 2 · Machine-readable JSON-LD